B/X Known World
Sure. But a sorcerer-king is a 20th-level wizard, 20th-level psionicist, and 1-10 levels into becoming a dragon. I know that’s 2E stats, but that’s no reason to make them pushovers in 5E.In 5e, with the right tools, I think they could kill a CR 20-23 creature at level 14. Don’t forget an 18th level Archmage is a CR 12 creature.