Skill Variants, Slow Healing, and "The 7th Ability Score" OH MY! More worldbuilding options for you!

Hit points, sanity, and other concepts can be weird things. Especially if you want to run grimdark settings. But what about noblebright where one's honor is a valuable resource? Is basic D&D too easy? Change one aspect about healing to ramp it up or even just remove come-back-to-life-spells!

You're kidding! Nope:
https://www.theherozone.net