League of Legends Wild Rift Fiendish Codex is a Mid Tier Magic item that costs 1000 Gold. Often built on Magic Damage champions, this is due to the +35 Ability Power +10 Ability Haste stats you receive from the Fiendish Codex in Wild Rift.
LoL Wild Rift Fiendish Codex Stats
+35 Ability Power
+10 Ability Haste
Other Magic Damage Items
Items similar to Fiendish Codex in Wild Rift