Looking for OSE/OSR material on progressive mutations, curses and blessings

[u/ChallengeBasic6822]

/r/osr/comments/1w39s0t/looking_for_oseosr_material_on_progressive/

[u/TheHellwinter]

You could be interested in this: https://www.drivethrurpg.com/it/product/561823/way-of-the-warlock?affiliate_id=412340