Here is my totally original class suggestion Just buffed though.
The Pyromaniac
Neutral Killer
Passive (Resolve) You are immune to death, occupation and target changing at night.
Day Ability (Douse) - Douse someone in gasoline. (3 Uses)
Night Ability (Douse) - Douse someone in gasoline. (Infinite Uses)
Night Ability (Ignite) - Select any or all doused players you want, and kill them. Bypasses everything. (Infinite Uses)
Goal: Defeat the Blue Dragon, Unseen/Cult and any neutrals that seek to do you harm.
For quality of life, doused players will be marked from your perspective similar to how the targets of a Scorned are (with an X by their name).