The spell goes off, and a few things hit Ancalagon:<br/><br/>1. There is magic in the area.<br/>2. The stingers of the Osyluth.<br/><br/>Yes, as he wanders in, using his pred-vision, he doesn't even have to time to find out how many magical auras, the exact locations, or their power levels. The bone devils seem to be a bit too smart for that old trick.<br/><br/>That being said, it seems a bit weak, as the first only deals a pitiful 8 damage, and the other an even more embarrassing 6 points. However they do both inject their toxins, venom which nonetheless is shrugged off by his very healthy body. Both of the devils look, well, they're still grinning, but they hardly have a choice in the matter. They're probably disappointed.<br/><br/>The cloaked figures do nothing, and now the two devils are within slapping range of Ancalagon. Rather, they're ten feet away, so he could make a 5' swindle in to slap them up, or a 5' swindle out to cast a spell. Or sit still and breath weapon them, or dance around in circles, provoking. It's a world of choice!<br/><br/>(Sorry for being a bit too... flippant and humorous. I feel a bit light-headed.)