From those I've played none satisfies your request fully, but in addition to the ones mentioned above you may try:
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roguelite - not too much
dungeon crawler - yes
bad ends - not many, but really good art/animation
buffs, debuffs and curses - no
transformation - no
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roguelite - YES
dungeon crawler - yes
bad ends - no, you just get into inescapable situation, give up at some point and start a new run
buffs, debuffs and curses - YES
transformation - no
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roguelite - (looks like it, but I didn't play much)
dungeon crawler - yes
bad ends - no(?)
buffs, debuffs and curses - yes
transformation - no(?)
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(text) - IMHO fits your requirements the best
roguelite - rather yes than no
dungeon crawler - no
bad ends - yes
buffs, debuffs and curses - no
transformation - YES (primary topic of the game)
There's another similar to Flexibe Survival -
Trap Quest, but I played it only once and didn't get it. Biggest difference: it has (a ton of) curses instead of transformations.
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(abandoned)
roguelite - yes
dungeon crawler - yes
bad ends - no(?)
buffs, debuffs and curses - yes
transformation - no
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roguelite - yes
dungeon crawler - can be considered
bad ends - yes
buffs, debuffs and curses - yes
transformation - no(?)
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roguelite - YES
dungeon crawler - yes
bad ends - no, only one
buffs, debuffs and curses - no
transformation - no(?)
Vinculike
roguelite - YES
dungeon crawler - yes
bad ends - text-only and not actually "ends", just one character captured, next one goes for the rescue
buffs, debuffs and curses - YES
transformation - no