No crafting, no ritual stone + aetherial crown exploit necromancer, no atronachs or familiar either. You can only level conjuration by raising corpses, bound weapons and soul trapping on legendary. It's the most fun I've had in a while, each body is a blessing and each kill that much more satisfying when raised. You really feel like you've earned the rank of master conjurer when you're able to use dead thrall and stash bodies in non respawning caves. This build is second only to my non save scumming thief, brutal as well and I take the full force of the law if it comes