git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3122 c06c8d41-db1a-0410-9941-cceddc491573
2ZZV4SDJQ7WW4W5GRR4OPQ7SEHELWIEKIB2RVJFGEJSNWD6VEGTAC
boom.damage = dice_def( 3, (you.magic_contamination / 2) );
// Undead enjoy extra contamination explosion damage because
// the magical contamination has a harder time dissipating
// through non-living flesh. :-)
boom.damage =
dice_def( 3,
you.magic_contamination
* (you.is_undead? 4 : 2)
/ 4 );