These birds are enveloped in an aura radiating a majesty that belies the savage nature of their master. According to the ancient legends of a treelike people native to Meracydia, the lanners bore the seeds of the World Tree across the seas, planting the verdant forests that dot the realm today.
The trunk of the World Tree, or the Bole, offers protection to the weak, defending them from harm. - Mace
— In-game description
Warring Lanner is a mount that can be summoned with a Warring Lanner Whistle, which has a chance of dropping upon completion of Containment Bay S1T7 (Extreme) or can be purchased from Bertana in Idyllshire for 99 Fiend Totems.