Silksong Boss Guide: Defeat Sister Splinter and Claim Cling Grip

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Players chasing wall-climbing freedom in Hollow Knight: Silksong will eventually meet Sister Splinter, a required Shellwood boss who guards the route to Cling Grip. As of 2026, the encounter remains a three-phase test of needle work, Silk management, and arena control. The fight does not exactly roll out a welcome mat: Sister Splinter hangs above the action, sends savage vines into the rafters, and later calls in bulky reinforcements. Yet her move list is short, and once players learn to make proper use o