Tanngrisnir

The Tanngrisnir is a Bow and a weapon skill exclusive to Marth (Royal Altean Duo) in Fire Emblem Heroes.

Description
Tanngrisnir provides Marth with a passive +3 speed, as well as effectiveness against flying foes. In addition; if Marth has any visible stat boosts or extra movement from a skill like Armor March active; he gains a spectrum +3 boost and increased special cooldown reduction per attack during combat.

Etymology

 * In Norse Mythology, Tanngrisnir is the name of one of the goats that pulls Thor's chariot.