One could build an entire conception of esper (I want to bring that term back) abilities essentially by listing every neutral structure, brain wave pattern, and neurotransmitter, and declaring that they can be activated or suppressed individually, but expressed in esoteric meditation terms.
Weather warm. Brain struggle? Bundle cool. Many refreshing ttrpg in bundle.
itch.io/b/3707/revie...
I've just published the third and final essay in the design series for Violent Delights (with one more interview on the way).
It's about adaptation in games and the baggage that can come with it. In particular, it's about my attempt to design with and around chess's baggage.