Prevent Bone Shield from bugging under some werid cirscumstances

git-svn-id: http://svn.net-core.org/repos/t-engine4@1876 51575b47-30f0-44d4-a5cc-537603b46e54

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

@@ -121,7 +121,8 @@ newTalent{
 	direct_hit = true,
 	absorb = function(self, t, p)
 		game.logPlayer(self, "Your bone shield absorbs the damage!")
-		self:removeParticles(table.remove(p.particles))
+		local pid = table.remove(p.particles)
+		if pid then self:removeParticles(pid) end
 		if #p.particles <= 0 then
 			self:forceUseTalent(t.id, {ignore_energy=true})
 		end

game/modules/tome/data/zones/infinite-dungeon/zone.lua

@@ -43,7 +43,8 @@ return {
 		},
 		actor = {
 			class = "engine.generator.actor.Random",
-			nb_npc = {24, 34},
+			nb_npc = {29, 39},
+			filters = { {max_ood=10}, },
 		},
 		object = {
 			class = "engine.generator.object.Random",