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From Pathfinder Lost Omens Tian Xia Character Guide, which isn't enabled.

Goblin Club

FEAT 9
GOBLINOCCULT
Activity 1 action
Prerequisites dokkaebi goblin heritage
Frequency once per day

You can summon a mass of magic energy in your hand that, naturally, you use to smack those who offend you. You conjure forth a spectral bangmangi club for 1 minute, which appears in your hands, though you can give it to another creature to wield. This weapon is a +1 striking ghost touch club.

At 13th level, the bangmangi is a +2 greater striking ghost touch club.

Pathfinder Lost Omens Tian Xia Character GuideORC