Become Nightwing 2014
6th-level enchantment
This spell imbues you with wings of shadow. For the duration of the spell, you gain a flying speed of 60 feet and a new attack action: Nightwing Breath.
Nightwing Breath (Recharge 4–6). You exhale shadow‐substance in a 30-foot cone. Each creature in the area takes 5d6 necrotic damage, or half the damage with a successful Dexterity saving throw.
Source: Deep Magic for 5th Edition (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details