Helm of the Magma Champion

The dragon's eyes seem to follow you. Nah...
Usable by a Paladin, Cleric or Fighter only
{w} Born of Flame: Adds fire resistance
{b} Dragon's Fury: Use your action to a breathe
a 15-foot cone or 5-by-30-foot line of Fire. DEX
save is 8 + your CON bonus + proficiency. Once
per long rest.
Save halves 2d6. (3d6 at level 6; 4d6 at level 11;
5d6 at level 16)