Say if i was battling someone and they sent out Gothita and i sent out Accelgor with the ability Sticky Hold and the focus sash item and Gothita used frisk will it steal the focus sash or will Accelgor's Sticky Hold ability block it from doing that?
Frisk does not steal an item - it only reveals it. So, no, since it is not stealing, Sticky Hold provides no immunity to Frisk. The only way to disable Frisk is using a move/ability that disables it.
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