death by submersion for now, since it's too specific to certain monsters, and leaving the level long enough will make them disappear anyway. Also, have monsters sometimes cycle through previously unreachable areas again, in case things change on the level to make them reachable.
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6346 c06c8d41-db1a-0410-9941-cceddc491573
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ny place the monster can submerge.else if (monster_can_submerge(mon, gridc)){simple_monster_message(mon,make_stringf(" disappears into %s!",mons_habitat(mon) == HT_LAVA ? "the lava" :mons_habitat(mon) == HT_WATER ? "the water": "thin air").c_str());}