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This is a valid point and it's honestly one of the things that I really enjoy about the Dungeon Crawler Carl series. One of the main character's best weapons is charisma. Multiple different types of spells or abilities are modified by secondary stats, like charisma with charm or illusion spells.

I haven't played D&D in, like 30 years, but I don't ever remember those types of game mechanics being involved. If they are now it would make for some great potential combinations. If a dwarf gets -1 INT and +1 CON, but certain types of spells use CON as a modifier then it creates an interesting combination.