diff --git a/mods/mapgen/nodes.lua b/mods/mapgen/nodes.lua
index d74428d..f457de6 100644
--- a/mods/mapgen/nodes.lua
+++ b/mods/mapgen/nodes.lua
@@ -1647,6 +1647,7 @@ minetest.register_node("mapgen:icicle", {
 	type = "fixed",
 	fixed = {{-0.3, -0.2, -0.3, 0.3, 0.5, 0.3}}
 	},
+	walkable = false,
 	groups = {crumbly=1, oddly_breakable_by_hand=1},
 	sounds = default.node_sound_glass_defaults(),
 })
@@ -1663,6 +1664,7 @@ minetest.register_node("mapgen:stalagtite", {
 	type = "fixed",
 	fixed = {{-0.3, -0.2, -0.3, 0.3, 0.5, 0.3}}
 	},
+	walkable = false,
 	groups = {crumbly=1, oddly_breakable_by_hand=1},
 	sounds = default.node_sound_stone_defaults()
 })
@@ -1679,6 +1681,7 @@ minetest.register_node("mapgen:stalagtite1", {
 	type = "fixed",
 	fixed = {{-0.3, -0.2, -0.3, 0.3, 0.5, 0.3}}
 	},
+	walkable = false,
 	groups = {crumbly=1, oddly_breakable_by_hand=1},
 })
 
@@ -1694,6 +1697,7 @@ minetest.register_node("mapgen:stalagtite2", {
 	type = "fixed",
 	fixed = {{-0.3, -0.2, -0.3, 0.3, 0.5, 0.3}}
 	},
+	walkable = false,
 	groups = {crumbly=1, oddly_breakable_by_hand=1},
 	sounds = default.node_sound_stone_defaults()
 })
@@ -1710,6 +1714,7 @@ minetest.register_node("mapgen:stalagtite3", {
 	type = "fixed",
 	fixed = {{-0.3, -0.2, -0.3, 0.3, 0.5, 0.3}}
 	},
+	walkable = false,
 	groups = {crumbly=1, oddly_breakable_by_hand=1},
 	sounds = default.node_sound_stone_defaults()
 })
@@ -1726,6 +1731,7 @@ minetest.register_node("mapgen:stalagmite0", {
 	type = "fixed",
 	fixed = {{-0.3, -0.2, -0.3, 0.3, 0.5, 0.3}}
 	},
+	walkable = false,
 	groups = {crumbly=1, oddly_breakable_by_hand=1},
 	sounds = default.node_sound_stone_defaults()
 })
@@ -1743,6 +1749,7 @@ minetest.register_node("mapgen:stalagmite1", {
 	type = "fixed",
 	fixed = {{-0.3, -0.2, -0.3, 0.3, 0.5, 0.3}}
 	},
+	walkable = false,
 	groups = {crumbly=1, oddly_breakable_by_hand=1},
 	sounds = default.node_sound_stone_defaults()
 })
@@ -1760,6 +1767,7 @@ minetest.register_node("mapgen:stalagmite2", {
 	type = "fixed",
 	fixed = {{-0.3, -0.2, -0.3, 0.3, 0.5, 0.3}}
 	},
+	walkable = false,
 	groups = {crumbly=1, oddly_breakable_by_hand=1},
 	sounds = default.node_sound_stone_defaults()
 })
diff --git a/mods/mobs_npc/npc.lua b/mods/mobs_npc/npc.lua
index fe2b0cc..e4edd62 100644
--- a/mods/mobs_npc/npc.lua
+++ b/mods/mobs_npc/npc.lua
@@ -126,6 +126,7 @@ mobs:register_mob("mobs_npc:npc", {
 	walk_velocity = 1.5,
 	run_velocity = 3,
 	jump = true,
+	stepheight = 1.2,
 	drops = {
 		{name = "default:wood", chance = 1, min = 1, max = 3},
 		{name = "default:apple", chance = 2, min = 1, max = 2},
@@ -153,7 +154,56 @@ mobs:register_mob("mobs_npc:npc", {
 	},
 	do_custom = function(self, dtime)
 				
-		npc_go_home(self, dtime)
+	--npc_go_home(self, dtime)
+
+      self.home_timer = (self.home_timer or 0) + dtime
+      if self.home_timer < 1 then
+	  npc_make_home(self, dtime)
+	  return end -- every 1 second
+      self.home_timer = 0
+
+      if self.time_of_day > 0.2 and self.time_of_day < 0.8 then
+         return  -- return if not night time
+      end
+	  
+	  if self.home == nil then return end
+
+      local h = self.home--{x = 1, y = 8, z = 2} -- destination coords
+      local p = self.object:getpos() -- mob position
+      local x, y, z = p.x - h.x, p.y - h.y, p.z - h.z
+      local dist = math.floor(math.sqrt(x * x + y * y + z * z))
+
+      if dist <= 1 then
+         print ("--- home!")
+         self.homepath = nil
+         self.state = "stand"
+         return
+      end
+
+      if self.homepath == nil then
+         self.homepath = minetest.find_path(h, h, 16, 3, 6, "Dijkstra")
+         print ("--- finding route", self.homepath, dist)
+      end
+
+      if self.homepath then
+         print ("--- following path", dist, #self.homepath)
+
+         local np = self.homepath[1] ; if not np then return end
+
+         if math.abs(np.x - p.x) + math.abs(np.z - p.z) < 0.6 then
+            table.remove(self.homepath, 1) ; print ("-- removed entry")
+         end
+
+         np = {x = np.x, y = np.y, z = np.z}
+
+         local vec = {x = np.x - p.x, z = np.z - p.z}
+         local yaw = (math.atan(vec.z / vec.x) + math.pi / 2) - self.rotate
+
+         if np.x > p.x then yaw = yaw + math.pi end
+
+         self.object:setyaw(yaw)
+         set_velocity(self, self.walk_velocity)
+      end
 		
 		--local game_time = minetest.get_timeofday()*24000