Fiendish Codex

When Should You Build Fiendish Codex?

Buy Fiendish Codex when repeated casting matters more than mana and it builds cleanly into your next AP haste item.

Best on

Mages, AP bruisers, and enchanters with important basic-ability cooldowns.

Good against

Good in extended or poke matchups where extra rotations matter; less impactful when one burst combo is all that matters.

When to buy it

Flexible early-to-mid component, often the best first subcomponent when Ability Haste is the intended power spike.

What this item does

AP and ability haste

Stats

Official Effects

No effect details are available for this item yet.

Champion Guides Using This Item

No published guides are using this item yet.