Lyxen
Great Old One
But training doesn't mean, for example, "training to get better," its training at playing Dungeons & Dragons. You get a slow drip of impactful features, with each feature changing your playstyle, and designed in a way so as not to overburden the new player with knowledge.
And when I start my 20th campaign under 5e (and maybe my 200th in playing various editions), and play at level 1, I still need training ? This is just ridiculous.
By definition, this is training wheels.
No, actually, by definitions, getting harder and harder features is not training wheels. Training wheels are an add-on needed to try out a skill and which is suppressed later on. There is no feature in the game like this.