The Database has not been updated for the non-MMO version of the game, and likely won't be.
Accessory Rare
20
Horn of the Deceiver
In-tact main horn recovered from the Deceiver. It pulses with Shadow and sometimes seems to shimmer like attempting to change shape.
Deceiver’s Delights Set
Set Bonuses

+5% Total Ability Power, Magical Defense

+10% Total Ability Power, Magical Defense