Lust Hunter, it's not very good.
Astral Lust is not on Itch and is abandonned, the equipment part isn't very good either.
Across the Obelisk (SFW) has some equipment as well.
My issue with equipments is that it's easy to make them give flat bonuses, which ends up trivializing other parts of the game or punishing you. An enemy attacks you for 24, your breastplate increases your Block cards by 3, you can play 3 Defense and take no damage. Later in the same run an enemy attacks you for 40, you have found no upgrade to your breastplate so your defense cards are too weak to be effective.
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Sounds like a balancing issue btw. Oddly Smooth Stone at +1 DEX is already powerful, tripling that is crazy. But yeah if Burning Blood gave +3 DEX and black blood +6 I'd be rather annoyed if I didn't get the latter as a boss relic.
Anyway, Ero Dungeons was actually extremely close to DD, both with damage ranges, enemy movesets and HP ranges.