Instead of a pool of dozens of points, what about having 1 to 4? Make them like warlock spell slots, and refresh by meditating during a short rest.
That also cleans up the bookkeeping.
And for subclass, use a Psionic Discipline. To make them unique, give them more than one Discipline. The Disciplines can have features and cantrips etc associated with them.
The Mystic "Psionic Focus" is fun as well, a pseudo-concentration that lets you activate a Disipline-specific feature. You can release Focus for a kicker on an ability, and you can only Regain Focus by spending PP on that Discipline (that should keep it dynamic, but not free).
Existing spells can be converted to Psionic spells. They can add "Release Focus: EFFECT" (which has no impact when not cast psionically).
The idea that psions need to rest for 8 hours seems off. The short rest fits better.
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A somewhat separate system for high level effects might be needed, but I don't want to copy warlock major arcanum. We could just have the Psion never have 7th+ level effects (make it a 2/3 caster or something).
Or we could make 6th+ level effects be features of your discipline that can be used once before taking a long rest. Not sure how to balance that so you don't have 4 disciplines that all provide 9th level effects? without having spell slots or similar.
That also cleans up the bookkeeping.
And for subclass, use a Psionic Discipline. To make them unique, give them more than one Discipline. The Disciplines can have features and cantrips etc associated with them.
The Mystic "Psionic Focus" is fun as well, a pseudo-concentration that lets you activate a Disipline-specific feature. You can release Focus for a kicker on an ability, and you can only Regain Focus by spending PP on that Discipline (that should keep it dynamic, but not free).
Existing spells can be converted to Psionic spells. They can add "Release Focus: EFFECT" (which has no impact when not cast psionically).
The idea that psions need to rest for 8 hours seems off. The short rest fits better.
---
A somewhat separate system for high level effects might be needed, but I don't want to copy warlock major arcanum. We could just have the Psion never have 7th+ level effects (make it a 2/3 caster or something).
Or we could make 6th+ level effects be features of your discipline that can be used once before taking a long rest. Not sure how to balance that so you don't have 4 disciplines that all provide 9th level effects? without having spell slots or similar.