Steam Breath Focus

Arcane or Druidic Focus - Rare Requires Attunement While holding this focus, you can utilize each of the following abilities once per Long Rest:

You can cast Dragon's Breath with your spellcasting modifier at 2nd level. The damage type is automatically fire, however, it comes out as scalding steam.

When you cast a spell that deals fire damage, you can shift the flames into being made from superheated steam.

Being Underwater doesn't grant Resistance against this damage.