npc_sentry_ceiling

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npc_sentry_ceiling is a point available in Black Mesa.

They are first seen in the chapter Office Complex. They are the defense systems of Black Mesa, but they seem to attack anyone, including scientists, guards, headcrabs, and the player.

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  The sentry in-game.

Note:Some keyvalues, spawnflags, effect flags, inputs, or outputs might not affect an NPC, based on the functionality and coding of the NPC.