Bone Shield cost and cooldown much reduced

git-svn-id: http://svn.net-core.org/repos/t-engine4@5340 51575b47-30f0-44d4-a5cc-537603b46e54

game/modules/tome/data/talents/corruptions/bone.lua

@@ -121,8 +121,8 @@ newTalent{
 	points = 5,
 	mode = "sustained", no_sustain_autoreset = true,
 	require = corrs_req4,
-	cooldown = 60,
-	sustain_vim = 150,
+	cooldown = 30,
+	sustain_vim = 50,
 	tactical = { DEFEND = 4 },
 	direct_hit = true,
 	absorb = function(self, t, p)