Sizzling Cataclysm is a unique Level 4 Evocation Spell and a variant of Kereska's Favour that allows its caster to imbue themselves with the power of acid and unlock resistances and spells associated with it. It is granted by Markoheshkir.
Description
Embrace Kereska's acid to gain Resistance to Acid damage. Your acid spells deal additional Acid damage equal to your Proficiency Bonus. When you deal spell damage, inflict 1 turn of Noxious Fumes upon the target. While attuned to Kereska's acid you can cast Cloudkill and Ray of Sickness.
Properties
Grants the following:
- Adrip with Kereska's Acid status (
Duration: Until Long rest) - Can cast
and 
once each per Short Rest.
Notes
- As of 08-08-2023, the in-game tooltip is incorrect and states this variant grants the spells granted by Deadlier than Arsenic instead.