A cleric can use his domain slots for metamagicked versions of his domain spells. An extended Heat Metal would use up the Cleric's 3rd level domain slot.
A cleric can also simply use a higher level slot for a lower level domain spell if desired.
A cleric can use his domain slots for metamagicked versions of his domain spells. An extended Heat Metal would use up the Cleric's 3rd level domain slot.
A cleric can also simply use a higher level slot for a lower level domain spell if desired.