100 Ability Power 10 Magic Penetration 800 Mana 25 Ability Haste
Echo: Damaging Abilities deal an additional (100 + 10% Ability Power) magic damage to the target and 3 nearby enemies and grants you 15% Move Speed for 2 seconds (10s cooldown). Dealing ability damage to Champions reduces this item's cooldown by 0.5 second, up to 3 seconds per spell cast.
Mythic Passive: Grants all other Legendary items 5 Magic Penetration.