Some spend their entire lives in service to breadth of knowledge. Fools, the lot of them! True excellence lies in the perfection of a single thought.
Level 3
Prestidigitation.
You are able to produce minor magical effects related to your Signature spell school, which can provide mundane utility and impress those impressionable.
Signature Spell School.
Select a Signature spell school from among the schools you know. Your Signature cantrips are cast with advantage, and your Signature spells are automatically upcast 1 tier for free (even beyond your currently unlocked spell tiers).
Level 7
Impossible Geometry.
Choose 1 additional Spellshaper ability. You may use 2 Spellshaper abilities when casting Signature spells.
Level 11
Flawless Execution.
The first Signature cantrip you cast each encounter automatically rolls the highest possible result.
Level 15
Spell Perfection.
(1/Safe Rest) Cast a Signature spell without spending actions or mana, automatically upcast to the highest unlocked tier. Spellshaper abilities still cost Mana.