|The shield that long ago robbed the old one of his first memories.|
- The item's attributes grants the following bonuses:
- Abilities reflected receive its talents and as well. upgrades only if the reflecting hero has Aghanim's Scepter, regardless of whether the original caster has it or not. This applies to abilities upgraded by
- The Spell Block has the following priorities:
- Mirror Shield ➤ ➤
- Does not trigger when is active.
- The Spell Reflection has a lower priority than and .
- If either of the aforementioned Spell Reflection sources are active on the wielder, Echo Shield does not trigger at all, including its spell block.
- This means when affected by of Lotus Orb, Linken's Sphere triggers instead.
- Fully stacks with .
Mirror Shield's all attribute bonus means that it works great on any hero you equip this on. Regardless, this item's passive is essentially akin to spell reflection. Use or give this item to a hero who would benefit from the protection, such as those who thrive in the chaotic heart of a teamfight (like initiators and heroes with crucial channeled spells) where they are vulnerable to being disabled and interrupted.
- Best shared to your hard carries as the Echo Shield will block and reflect any single-targeted spell back to its caster, preventing them from getting disabled easily.
- Because Mirror Shield has a higher priority than and both items will simultaneously block a spell, it is wise to give this item to an another allied hero instead.
- You can also share a Mirror Shield to your supports if they have a powerful teamfight spell especially those that are channeled.