Dnd 2024 Warlock Great Old One. The end result is that the great old one warlock (often shortened to goolock) feels a lot like an enchanter wizard, but more spooky than the fey warlock. With tasha's we now have 1) a feat that gives you one way telepathy and 2) the fathomless warlock, which is also sort of great old one themed.

With the agonizing blast invocation, you gain more damage to a rarely. Archfey and great old one have both been entirely rewritten, and celestial (new to the phb) and fiend both got.