This is an addon mod for both Voidscape and Boss Checklist that integrates the former's augmented Null Servant bosses as well as the Corrupted Pawn into the latter's boss checklist interface as entries.
"How did you make this work? All three Null Servant bosses are the same mob but with different properties!"
To begin with, the mod adds fake, unspawnable stand-in entities that act as the foundation for the boss checklist entries you see. The bosses' entries are automatically marked as defeated when a Null Servant with the correct properties dies, corresponding with the matching entry.
"Why isn't this bundled with your other Boss Checklist addons?"
This mod uses aforementioned fake entities that are added by the mod itself. Thus, the Null Servant bosses' entries will appear regardless of whether or not you actually have the Voidscape mod installed. You wouldn't want a modpack where players would go around curiously searching for them only to figure out later down the line that they do not even have the mod supposedly accommodating the bosses installed in the first place.
