Warlock 2024 Invocations Du. Honestly, that is going to make playing a caster focused. Everybody thinks goo is best and celestial.
Invocations are a major decision point, giving tons of options to customize your warlock. Alongside the race, background, subclass, and feats every d&d 5e character gets, it has unique eldritch invocations to help each warlock stand out.