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Version History[]

Version
Description
Level 10 right talent: +5 health regeneration reduced to +4.
Level 20 left talent: -30s Relocate cooldown reduced to -25s.
  • Increased health regeneration from 0 to 0.25.
  • Tether
    • Increased link break distance from 900 to 1000.
    • Increased heal/restore transfer from 60%/80%/100%/120% to 70%/90%/110%/130%.
  • Tether
    • No longer unlocks the maximum movement speed limit.
    • Reduced cast range from 1800 to 1600.
    • Reduced tree destruction radius around Io after the pull ends from 300 to 150.
  • Reduced Spirits creep collision damage from 10/20/30/40 to 10/15/20/25.
  • Reduced Spirits Out max distance from 700 to 650.
  • Reduced Relocate tree destruction radius upon teleporting from 300 to 150.
  • Reworked Aghanim's Shard icon.png Aghanim's Shard upgrade:
    • Old: Increases Tether movement speed bonus by 10% and causes it to deal 150 damage and stun enemies within its slow range for 1.75 seconds upon getting broken in any way.
    • New: Increases Tether movement speed bonus by 10% and causes it to deal 150 damage and stun enemies for 1.75 seconds upon them coming within its slow range. Can affect the same unit once every 7 seconds.
  • Talents:
Level 10 left talent: +35 attack damage reduced to +30.
Level 10 right talent: +4 health regeneration increased to +5.
Level 15 left talent: +10% spell lifesteal increased to +15%.
Level 15 right talent: +325 Spirits max distance reduced to +300.
Level 20 left talent: -25s Relocate cooldown increased to -30s.
Level 25 left talent: The Tether instant attacks against the ally's attack target are no longer performed if Io is unable to attack normally. [?]
Level 25 right talent: +700 health increased to +900.
  • Now requires turning to perform any actions. [?]
  • Increased base attack damage from 22-31 to 28-34.
  • Increased attack point from 0.15 to 0.3.
  • Tether
    • Rescaled allied movement speed bonus from 5%/8%/11%/14% to 6%/8%/10%/12%.
    • Increased enemy movement speed slow from 8%/16%/24%/32% to 15%/25%/35%/45%.
    • Reduced heal/restore transfer from 60%/90%/120%/150% to 60%/80%/100%/120%.
  • Spirits
    • Increased explosion damage from 20/40/60/80 to 30/50/70/90.
    • Increased creep collision damage from 10/18/26/34 to 10/20/30/40.
    • Split Spirits Movement sub-ability up into Spirits In and Spirits Out.
Old Spirits Movement
Calls the spirits in and out.
Minimum distance: 200
Maximum distance: 700
Cooldown: 0
Notes: Takes Spirits's ability slot until all spirits explode. Not a toggle ability. Causes the spirits to move inwards/outwards, based on whether they are at minimum or maximum distance, or whether they already are moving in or out. Cannot be used to make the spirits stop at a precise distance.
New Spirits In / Spirits Out
Sends the spirits closer to you. Can be toggled on and off. / Sends the spirits farther away from you. Can be toggled on and off.
Minimum distance: 200
Maximum distance: 700
Cooldown: 0
Notes: Take the 5th and 6th ability slots, only visible while Spirits is active. Both are toggles, meaning the distances can be set precisely by toggling them off at the wanted distance. Toggling one of them on automatically toggles the other one off.
  • Overcharge
    • Now also grants 10%/12%/14%/16% spell damage amplification.
    • Reduced attack speed bonus from 50/80/110/140 to 50/70/90/110.
  • Increased Relocate cooldown from 90/75/60 to 100/90/80.
  • Added Aghanim's Shard icon.png Aghanim's Shard upgrade for Io minimap icon.png Io:
    • Increases Tether movement speed bonus by 5% and causes it to deal 150 damage and stun enemies within its slow range for 1.75 seconds upon getting broken in any way.
  • Talents:
Level 20 left talent changed: +12 armor ➜ -25s Relocate cooldown.
Level 25 right talent changed: -24s Relocate cooldown ➜ +700 health.
  • Talents:
Level 10 left talent: +45 attack damage reduced to +35.
Level 10 right talent: +5 health regeneration reduced to +4.
Level 15 left talent: +13% spell lifesteal reduced to +10%.
Level 15 right talent: +400 Spirits max distance reduced to +325.
Level 20 left talent: +15 armor reduced to +12.
Level 20 right talent: +75 Spirits explosion damage reduced to +60.
Level 25 right talent: -30s Relocate cooldown reduced to -24s.
  • Reduced Overcharge max health as health regeneration from 0.55%/0.7%/0.85%/1% to 0.5%/0.6%/0.7%/0.8%.
  • Overcharge
    • Reduced max health as health regeneration from 0.6%/0.8%/1%/1.2% to 0.55%/0.7%/0.85%/1%.
    • Increased cooldown from 16 on each level to 22/20/18/16.
  • Talents:
Level 15 right talent changed: +120 gold per minute ➜ +400 Spirits maximum distance.
  • Increased base armor from -1 to 1.
  • Tether now continuously reduces the movement speed of enemies in contact with the tether by 8%/16%/24%/32% and attack speed by 8/16/24/32. The debuff lasts 0.2 seconds.
  • Overcharge
    • No longer grants 5%/10%/15%/20% incoming damage reduction.
    • Now grants 0.6%/0.8%/1%/1.2% of max health as health regeneration.
    • Reduced cooldown from 18 to 16.
  • Talents:
Level 10 right talent changed: +90 gold per minute ➜ +5 health regeneration.
Level 15 left talent changed: +8 health regeneration ➜ +13% spell lifesteal.
Level 15 right talent changed: Spirits slow 80% movement speed for 0.3s ➜ +120 gold per minute.
  • Talents:
Level 10 right talent changed: Spirits slow 80% movement speed for 0.3s ➜ +90 gold per minute.
Level 15 right talent changed: +75 Spirits explosion damage ➜ Spirits Spirits slow 80% movement speed for 0.3s.
Level 20 right talent changed: +150 gold per minute ➜ +75 Spirits explosion damage.
  • Reduced Tether heal/restore transfer from 90%/110%/130%/150% to 60%/90%/120%/150%.
  • Talents:
Level 20 left talent changed: Tether grants ally Aghanim's Scepter icon.png Aghanim's Scepter effects ➜ +15 armor.
  • Increased Strength attribute symbol.png strength gain from 2.5 to 3.
  • Reduced attack range from 575 to 500.
  • Increased base armor from -2 to -1.
  • Tether
    • Reduced heal/restore transfer from 105%/120%/135%/150% to 90%/110%/130%/150%.
    • Now puts Break Tether on a 0.25-second cooldown upon cast. [?]
  • Spirits no longer slows movement speed by 20%/40%/60%/80% for 0.3 seconds.
  • Talents:
Level 10 right talent changed: +20% experience gain ➜ Spirits slow 80% movement speed for 0.3s.
  • Tether
    • No longer hastes the caster, so that they can be slowed normally again. [?]
    • Now ignores movement speed slows on the tethered ally when copying their movement speed.
Notes: This means Io still copies the target's speed, including any bonuses, but Io can still be slowed directly.
  • Spirits
    • No longer does a micro animation interruption when initially casting. [?]
    • Reduced revolution time from every 2.4 seconds to 2.7.
  • Spirits Movement
    • Reduced toggle cooldown from 1.5 to 0.
    • Increased minimum range from 100 to 200.
  • Reduced Overcharge incoming damage reduction from 15%/20%/25%/30% to 5%/10%/15%/20%.
  • Increased Relocate mana cost from 100 to 175.
  • Talents:
Level 15 left talent changed: Tether grants ally Aghanim's Scepter icon.png Aghanim's Scepter effects ➜ +8 health regeneration.
Level 20 left talent changed: +16 health regeneration Tether grants ally Aghanim's Scepter icon.png Aghanim's Scepter effects.
Old Overcharge
Toggle: Io gains bonus attack speed and damage reduction, at the cost of draining a percentage of its current health and mana per second. If Io is tethered to an ally, that unit also gains the bonuses.
Current health/mana as cost per second: 6%
Attack speed bonus: 40/50/60/70
Incoming damage reduction: 5%/10%/15%/20%
Toggle cooldown: 2
Notes: As a toggle spell, does not interrupt Io on cast, and does not trigger on-cast events. The health cost is direct HP removal.
New Overcharge
Io gains bonus attack speed and damage reduction. If Io is tethered to an ally, that unit also gains the bonuses.
Attack speed bonus: 50/80/110/140
Incoming damage reduction: 15%/20%/25%/30%
Duration: 8
Mana cost: 40/60/80/100
Cooldown: 18
Notes: Regular active ability, interrupts Io on cast, triggers on-cast events.
  • Relocate
    • Now has an effect delay, instead of channeling. [?]
    Notes: Getting stunned, silenced, or rooted during the delay still cancels the teleport like before.
    • Increased delay from 2.7/2.35/2 to 3.5/3.25/3.
    • Reduced cooldown from 130/110/90 to 90/75/60.
  • Talents:
Level 25 right talent: -60s Relocate cooldown reduced to -30s.
  • Reduced Tether heal/restore transfer from 120%/130%/140%/150% to 105%/120%/135%/150%.
  • Reduced base health regeneration from 1.5 to 0.
  • Reduced base mana regeneration from 0.9 to 0.
  • Increased Spirits cooldown from 26/22/18/14 to 26/24/22/20.
  • Talents:
Level 20 left talent: +15 health regeneration increased to 16.
  • Increased Spirits cooldown from 20/18/16/14 to 26/22/18/14.
  • Talents:
Level 10 right talent: +25% experience gain reduced to +20%.
  • Reduced Tether movement speed bonus from 7%/10%/13%/16% to 5%/8%/11%/14%.
  • Reduced Spirits explosion damage from 25/50/75/100 to 20/40/60/80.
  • Talents:
Level 10 left talent: +60 attack damage reduced to +45.
Level 20 left talent: +20 health regeneration reduced to +15.
Level 15 left talent: +90 Spirits explosion damage reduced to +75.
Level 20 left talent changed: Attack Tethered ally's attack target ➜ +20 health regeneration.
Level 25 left talent changed: +50 health regeneration ➜ Attack Tethered ally's attack target.
  • Tether
    • Can now be cast on spell immune allies.
    • No longer slows enemies movement/attack speed by 100%/100 when coming in contact with the link.
    • Reduced cast point from 0.001 to 0.
  • Spirits
    • Now also slows enemies' movement speed by 20%/40%/60%/80% for 0.3 seconds upon exploding. [?]
    • Spirits now automatically expand to max distance (700) upon cast, instead of staying 150 range away from Io.
    • Increased spirits collision radius from 70 to 110.
    • Increased explosion damage/slow radius from 300 to 360.
    • Increased creep collision damage from 8/14/20/26 to 10/18/26/34.
    • Rescaled mana cost from 150 on each level to 120/130/140/150.
  • Merged Spirits In and Spirits Out into a new sub-ability Spirits Movement.
Old Spirits In / Spirits Out
Calls the spirits closer to you. Can be toggled on and off. / Sends the spirits farther away from you. Can be toggled on and off.
Minimum distance: 100
Maximum distance: 700
Cooldown: 0
Notes: Take the 5th and 6th ability slots. Both are toggles, meaning the distances can be set precisely by toggling them off at the wanted distance. Toggling one of them on automatically toggles the other one off.
New Spirits Movement
Calls the spirits in and out.
Minimum distance: 100
Maximum distance: 700
Cooldown: 1.5
Notes: Takes Spirits's ability slot until all spirits explode. Not a toggle ability. Causes the spirits to move inwards/outwards, based on whether they are at minimum or maximum distance, or whether they already are moving in or out. Cannot be used to make the spirits stop at a precise distance.
  • Talents:
Level 10 right talent changed: +400 Spirits max distance ➜ +25% experience gain.
Level 25 right talent changed: Replace Tether's slow with a stun ➜ -60s Relocate cooldown.
  • Reduced base attack damage from 26-35 to 22-31.
  • Tether
    • Now sets the caster's movement speed equal to the target's movement speed, instead of applying the speed bonus to the caster. [?]
    • No longer has a 14 seconds max duration. [?]
    • Reduced target movement speed bonus from 10%/12%/14%/16% to 7%/10%/13%/16%.
    • Reduced heal/restore transfer from 150% on each level to 120%/130%/140%/150%.
  • Increased Relocate cooldown from 120/100/80 to 130/110/90.
  • Increased Tether duration from 12 to 14.
  • Increased base health regeneration from 0 to 1.5.
  • Increased base mana regeneration from 0.01 to 0.9.
  • Increased Relocate cooldown from 100/80/60 to 120/100/80.
  • Reduced Spirits max range from 875 to 700.
  • Reworked talents:
Old:
Level 10: +6 armor or +10% magic resistance
Level 15: +10 Strength attribute symbol.png strength or +10 mana regen
Level 20: +120 gold per minute or +20 health regeneration
Level 25: +150 Spirits explosion damage or replace Tether's slow with a stun
New:
Level 10: +400 Spirits max distance or +60 attack damage
Level 15: Tether grants ally Aghanim's Scepter icon.png Aghanim's Scepter effects or +90 Spirits explosion damage
Level 20: +150 gold per minute or Attack Tethered ally's attack target
Level 25: +50 health regeneration or replace Tether's slow with a stun
  • Increased Spirits mana cost from 120/130/140/150 to 150 on each level.
  • Reduced Tether movement speed bonus from 13%/14%/15%/16% to 10%/12%/14%/16%.
  • Increased Strength attribute symbol.png strength gain from 1.9 to 2.2.
  • Reduced base health regeneration from 0.25 to 0.
  • Talents:
Level 25 right talent changed: -50s respawn time ➜ replace Tether's slow with a stun.
  • Increased Relocate cooldown from 90/75/60 to 100/80/60.
  • Talents:
Level 25 right talent: -40s respawn time increased to -50s.
  • Reduced Spirits collide vision radius from 300 to 150.
  • Added talents:
Level 10: +6 armor or +10% magic Resistance
Level 15: +10 Strength attribute symbol.png strength or +10 mana regen
Level 20: +120 gold per minute or +20 health regeneration
Level 25: +150 Spirits explosion damage or -40s respawn time
  • Increased Relocate teleport delay from 2.5/2.25/2 to 2.7/2.35/2.
  • Reduced Tether movement speed bonus from 14%/15%/16%/17% to 13%/14%/15%/16%.
  • Reduced Tether movement speed bonus from 17% on each level to 14%/15%/16%/17%.
  • No longer requires turning to perform any actions. [?]
  • Spirits now provide their vision only upon colliding with an enemy hero for 3 seconds, instead of continuously around them.
  • Increased Overcharge current health/mana cost over time from 3.5% to 4.5%.
  • Increased Tether heal/restore transfer rate from 100% to 150%. [?]
  • Increased Overcharge current health/mana cost over time from 2.5% to 3.5%.
  • Increased base attack damage from 16-25 to 26-35.
  • Increased attack range from 525 to 575.
  • Tether
    • Reduced movement speed bonus from 15%/20%/25%/30% to 20% on each level.
    • Rescaled stun duration from 1/1.25/1.5/1.75 to 0.75/1.25/1.75/2.25.
  • Spirits
    • The Spirits In and Spirits Out sub-abilities no longer interrupt movement or channelings when used.
    • Now circle slightly faster when there are fewer spirits alive.
    • No longer slow movement speed by [ Info Needed ].
    • Increased spirits duration from 16 to 19.
    • Reduced spawn interval from 1.2 to 0.8
Notes: All 5 spirits now spawn within 4 seconds, instead of 6.
  • Reduced Tether Stun duration from 1.25/1.5/1.75/2 to 1/1.25/1.5/1.75.
  • Increased Relocate cooldown from 80/60/40 to 90/75/60.
  • Created.

Patch History[]

Patch
Description
  • Fixed Tether slow debuff modifiers missing descriptions.
  • Updated default hero model and animations.
  • Tether
    • Reduced cast sound volume from 0.75 to 0.66.
    • Increased cast sound volume fade out time from 0.5 to 1.
  • Updated hero model and animations.
  • Fixed Tether increasing enemy attack speed, instead of reducing it.
  • Update 2
    • Updated Tether buff description to say that it causes Io minimap icon.png Io's speed to match the target's.
    • Updated Overcharge description and buff to mention the health regeneration and removed mention of damage resistance in the tooltip.
  • Fixed the additional information missing from Io minimap icon.png Io in-game patch notes.
  • Tether
    • Update 2
      • Fixed ability not surpassing the default movement speed limit when tethered to a hero that is faster.
    • Update 3
      • Now breaks when the caster gets Upgradable by Aghanim's Scepter. Assimilate.
      • Fixed a server crash caused by two heroes tethering each other.
  • Fixed Tether break distance during the pull not considering cast range bonuses.
  • Added head slot to loadout.
  • Modified portrait position.
  • Fixed ambient particles.
  • Extra ability slots for Spirits now have tooltip stating Spirits In and Spirits Out rather than Empty Slot.
  • [U] Spirits particle effects will now be drawn even when hidden.
  • Fixed hero portrait.
  • Fixed ambient particle creation on hero.
  • Spirits now appear at the correct height.
  • Fixed blinking while in the initial Tether pull causing the tether range to be larger than intended.
  • Fixed the mechanism Armlet of Mordiggian (Inactive) icon.png Armlet of Mordiggian and Overcharge to use proper health modification (meaning their health manipulation is now completely unaffected by anything).
  • Fixed casting Tether on a unit could sometimes move Io minimap icon.png Io towards the previously Tethered unit instead.
  • Updated Tether ability tooltip.
  • Updated subtitles.
  • Fixed default hero death effects.
  • Reduced Tether movement speed bonus from 20% to 17%.
  • Relocate
    • Fixed ability not being interrupted if Io minimap icon.png Io was only disabled in the cast time but not when the teleportation happened.
    • Fixed ability not getting interrupted by root debuffs.
    • Fixed not revealing Fog of War for enemies.
    • Fixed not showing the initial visual effect on the ground for enemies (only showed ping).
    • Fixed being able to return creeps with Relocate by Tethering a creep after relocating.
  • Fixed Overcharge missing a 2-second toggle Off cooldown.
  • Renamed Wisp to Io.
  • [U] Changed hero color from blue from teal.
  • Fixed attack acquisition range.
  • Update 2
    • Temporary disabled Relocate camera movement.
  • Relocate
    • Fixed Tether sometimes ending prematurely if Relocate was cast before Tether.
    • Fixed relocated units sometimes walking away to do a previous order.
  • Updated default hero textures.
  • Updated the ability icons to match texture changes.
  • Added to Captain's Mode.
  • Fixed default hero model rendering with pops and such when entering or leaving Fog of War.
  • Fixed Io minimap icon.png Io voice lip-sync getting stuck on with random noise.
  • Fixed ranged display stomping on ambient effects, including Io.
  • Tether
    • Fixed Magic Stick icon.png Magic Stick interactions.
    • Fixed Soul Ring icon.png Soul Ring not restoring mana with Tether.
    • Fixed ability effects being left behind when enemy teleported into Fog of War.
    • Now shows the amount that it heals its target.
    • Added more obvious Tether boundary effect.
  • Spirits
    • Changed Spirits explosion effects.
    • No longer don't retain their vision after they explode.
    • Spirits no longer show up on the minimap.
    • The Spirits In and Spirits Out sub-abilities no longer proc Magic Stick icon.png Magic Stick-based items.
  • Overcharge no longer proc Magic Stick icon.png Magic Stick-based items.
  • Relocate
    • Relocate return does not interrupting other channeling abilities (i.e. Town Portal Scroll icon.png Town Portal Scroll).
    • Fixed heroes continuing old movement orders after returning with Relocate.
    • Io and its Tethered unit move their camera when they Relocate and Relocate back.
    • The ability sound effects now stop correctly.
  • Update 2
    • Fixed default hero portrait not drawing.
    • Relocate now provides vision to the target area for both teams along with the Tethered ally teleport effect for his team and an enemy teleport effect for its enemies.
  • Update 3
    • Tether now destroys trees every time the ability is canceled to prevent getting stuck in trees.
    • Added a check for the Spirits ability to block creep spawns.
      • Spirits now correctly provide vision.
      • The ability no longer block neutral creep spawns.
  • Update 2
    • Fixed default hero visual effects.
    • Fixed not looking different during invisibility.
    • Fixed illusions not appearing.
    • Tether
      • Fixed being unable to cast ability on creeps (including Unknown Unit icon.png Siege Creep),
      • Fixed ability not ending when the target is dead.
      • Fixed Disabled Help not working with ability.
      • Fixed trees not being destroyed when pulling yourself to the target with the ability.
      • Fixed Replenish Mana not restoring mana to the Tethered target.
      • Fixed a crash when ability is cast on a dead illusion.
    • Spirits
    • Fixed Relocate using a channel instead of a cast delay.
  • Update 3
    • Tether
      • Now increases ability duration when Relocate is cast.
      • Now lasts the entire duration of Relocate.
      • Added a sanity check for maximum distance to handle when the target teleports.
      • Added new visual effects to ability to indicate boundary range.
    • Spirits
    • Fixed movement speed bonus from Overcharge not working correctly.
    • Fixed a chance to be stuck in the unit you Relocate with.
  • Fixed a fatal error with Tether.
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