Býleistr

Býleistr is a personal weapon and a weapon skill in Fire Emblem Heroes. It is the personal lance of Helbindi.

Etymology
Býleistr trnslates to calming-lightning or bee-lighting. It may also mean 'walking among bees', meaning beekeeper.

Býleistr, sometimes anglicised as Byleist, is the brother of Loki and Helbindi in Norse Mythology. Nothing is known about him other than his family and that he, as well as his brothers, were to lead Hel's army into battle at Ragnarok.