Can you make it so he cannot summon us out of camo?

This is getting out of hand. wilderness forest <1023hp 481m 855mv 19235tnl (0.08%) 3 PM> w You begin creeping in that direction. The Circle of Thorns [Exits: north east west] wilderness forest <1023hp 481m 854mv 19235tnl (0.08%) 3 PM> scan n You scan north. ***** Range 1 ***** Hraltolath is sleeping here. A zombie of a gorgeous silver-haired elf is here. An awakened shawtaby consort is here, prepared to serve her master. A flesh golem lumbers along, vacant eyes watching for its master's presence. A gibbering ghoul stalks new flesh here, its yellowed fangs bared. An awakened guardian shawtaby is here, its eyes full of fury. An awakened shawtaby is here, prepared to serve his master. A zombie of the old dwarf is here. A zombie of the old dwarf is here. (Ghostly) A salient, unnatural chill heralds the presence of Gaspare Gnazzo. ***** Range 2 ***** (Translucent) (White Aura) An ancient wisewoman is here, crushing herbs with a mortar and pestle. wilderness forest <1023hp 481m 854mv 19235tnl (0.08%) 3 PM> Hraltolath yells 'Help someone is attacking me!' wilderness forest <1023hp 481m 854mv 19235tnl (0.08%) 3 PM> cn;aimedshot t Gaspare has summoned you! You step out from your cover. A Rugged Bridge of Vines and Planks [Exits: north south] (Humming) A black circle of summoning is inscribed upon the ground. Hraltolath is sleeping here. A zombie of a gorgeous silver-haired elf is here. An awakened shawtaby consort is here, prepared to serve her master. A flesh golem lumbers along, vacant eyes watching for its master's presence. A gibbering ghoul stalks new flesh here, its yellowed fangs bared. An awakened guardian shawtaby is here, its eyes full of fury. An awakened shawtaby is here, prepared to serve his master. A zombie of the old dwarf is here. A zombie of the old dwarf is here. (Ghostly) A salient, unnatural chill heralds the presence of Gaspare Gnazzo. wilderness forest <1023hp 481m 854mv 19235tnl (0.08%) 3 PM>hral tor You aren't camouflaged! wilderness forest <1023hp 481m 854mv 19235tnl (0.08%) 3 PM> You yell 'Die, Gaspare, you sorcerous dog!' Gaspare utters the words, 'grzzs'. A wave of fatigue overwhelms you with the beckoning temptation of sleep. In your dreams, or what?