diff --git a/settingtypes.txt b/settingtypes.txt
index 870d263..58e25a9 100644
--- a/settingtypes.txt
+++ b/settingtypes.txt
@@ -11,6 +11,7 @@ shooter_allow_nodes (Allow node destruction) bool true
 shooter_allow_entities (Allow damage to active objects in multiplayer mode) bool false
 shooter_allow_players (Allow damage to players in multiplayer mode) bool true
 shooter_rounds_update_time (Round update time, should be >= dedicated server step) float 0.4
+shooter_damage_multiplier (Entity damage coefficient) float 1.0
 
 [shooter_crossbow]
 
diff --git a/shooter/README.md b/shooter/README.md
index d9b208b..7755b98 100644
--- a/shooter/README.md
+++ b/shooter/README.md
@@ -88,6 +88,12 @@ Maximum round 'step' processing interval, will inversely effect the long-range v
 
 `shooter_rounds_update_time = 0.4`
 
+### Entity damage coefficient
+
+May be used to globaly increase or decrease damage done to entities/mobs
+
+`shooter_damage_multiplier = 1`
+
 API Documentation
 -----------------
 
diff --git a/shooter/api.lua b/shooter/api.lua
index 3c39c36..78dc7e4 100644
--- a/shooter/api.lua
+++ b/shooter/api.lua
@@ -34,6 +34,7 @@ shooter.config = {
 	allow_entities = false,
 	allow_players = true,
 	rounds_update_time = 0.4,
+	damage_multiplier = 1,
 }
 
 shooter.default_particles = {
@@ -230,16 +231,21 @@ end
 
 shooter.punch_object = function(object, tool_caps, dir, on_blast)
 	local do_damage = true
+	local groups = tool_caps.damage_groups or {}
 	if on_blast and not object:is_player() then
 		local ent = object:get_luaentity()
 		if ent then
 			local def = minetest.registered_entities[ent.name] or {}
-			if def.on_blast then
-				do_damage = def.on_blast(ent, tool_caps.fleshy)
+			if def.on_blast and groups.fleshy then
+				do_damage = def.on_blast(ent, groups.fleshy *
+					config.damage_multiplier)
 			end
 		end
 	end
 	if do_damage then
+		for k, v in pairs(groups) do
+			tool_caps.damage_groups[k] = v * config.damage_multiplier
+		end
 		object:punch(object, nil, tool_caps, dir)
 		return true
 	end
@@ -470,7 +476,7 @@ shooter.blast = function(pos, radius, fleshy, distance, user)
 		if shooter.is_valid_object(obj) then
 			local obj_pos = obj:get_pos()
 			local dist = v3d.distance(obj_pos, pos)
-			local damage = (fleshy * 0.5 ^ dist) * 2
+			local damage = (fleshy * 0.5 ^ dist) * 2 * config.damage_multiplier
 			if dist ~= 0 then
 				obj_pos.y = obj_pos.y + 1
 				local blast_pos = {x=pos.x, y=pos.y + 4, z=pos.z}