pf2e.fyi
From Pathfinder #219: Lord of the Trinity Star, which isn't enabled.

Trinity Initiate

CREATURE 8

Human wizard

Perception +15
Languages Common, Thassilonian
Skills Arcana +18, Athletics +15, Deception +15, Occultism +16
Str +3, Dex +3, Con +0, Int +4, Wis +3, Cha +1

AC 26; Fort +13, Ref +16, Will +18
HP 130
Counterspell
Trigger A creature casts a spell the initiate has prepared

Effect The initiate expends a prepared spell to counter the triggering creature's casting of that same spell. The initiate loses their spell slot as if they had cast the triggering spell. The initiate then attempts to counteract the triggering spell.

Speed 25 feet
Melee Bec de Corbin +16 (magical, razing, reach 10, shove, versatile b), Damage 2d8+5 piercing
Bespell Strikes
Frequency once per turn
Requirements The initiate's most recent action was to cast a non-cantrip spell

Effect The initiate siphons spell energy into their bec de corbin. Until the end of their turn, that weapon deals an extra 1d6 force damage and gains the arcane trait.
Pathfinder #219: Lord of the Trinity StarORC