Ooh, now there's a nasty, inhospitable place for the average Tanar'ri.  Should make for a rather interesting place to adventure in. ^^ Though, if I might recommend one other trait, taken from the description of one of the layers of Elysium in the Manual of the Planes...<br/><br/><div class="quoteheader"><div class="topslice_quote">Quote</div></div><blockquote class="bbc_standard_quote">Here the wind whips around mightily, and even the winged avoral guardinals have some difficulty flying.  All creatures with a fly speed have their maneuverability reduced to the next lower category (perfect to good, good to average, average to poor, poor to clumsy).  Clumsy fliers remain clumsy.</blockquote><div class="quotefooter"><div class="botslice_quote"></div></div>