Flame Strike

Foraged in the heart of a volcano, This +1 heavy
steel shield radiates heat even in the most frigid
climates. When struck, it expends a charge from
its pool to release a shower of sparks and flames
against the striker causing 1D6 of fire DMG.
As a bonus action, the wielder may expend a
charge to attempt a shield bash attack causing
1D6 + STR +1D6 fire. Flameheart regains 1D6
of charges for every hour left in an open flame
up to its maximum of 6 charges.