@@ -1,6 +1,6 @@
 local dagger_uses = 16
-
+local log = sorcery.logger('tools')
 minetest.register_tool("sorcery:dagger", {
 	description = "Sacrificial Dagger",
 	inventory_image = "sorcery_dagger.png",
 	tool_capabilities = {
@@ -17,8 +17,27 @@
 	return function(stack,user,pointat)
 		if (not minetest.is_player(pointat)) and
 				selfharm == false then
 			return nil
+		end
+		local trough = minetest.find_node_near(user:get_position(), 2.5, 'group:sorcery_trough', true)
+		if trough then
+			local cnn = minetest.get_node(trough).name
+			local ctr = minetest.registered_nodes[cnn]._sorcery
+			if (not ctr) or not ctr.container then
+				log.err('item',cnn,'is marked as a trough, but has no _sorcery.container table')
+			else
+				ctr = ctr.container
+				if (ctr.has == 'sorcery:blood' or not ctr.has) and
+					((not ctr.charge) or ctr.charge < (ctr.max or 1)) then
+					trough = {
+						pos = trough, ctr = ctr;
+						def = sorcery.register.liquid.db['sorcery:blood'].containers[ctr.empty or cnn]
+					}
+				else
+					trough = nil
+				end
+			end
 		end
 
 		local inv = user:get_inventory()
 		local btl = ItemStack('vessels:glass_bottle')
@@ -52,10 +71,17 @@
 
 		local wear = 65535 / dagger_uses
 		stack:add_wear(wear)
 
-		inv:remove_item('main',btl)
-		inv:add_item('main',blood)
+		if not trough then
+			inv:remove_item('main',btl)
+			inv:add_item('main',blood)
+		else
+			local amt = selfharm and math.random(1,2) or 2
+			minetest.set_node(trough.pos, {
+				name = trough.def.make(def.res*amt+ctr.charge,1):get_name()
+			})
+		end
 
 		target:punch(user, 1.0, caps, nil)
 		sorcery.vfx.bloodburst(pos)