Update mese_monster.lua

- one is enough

1 / 20 chance = 20%

I will add a really hard recipe for returnmirror:mirror_inactive", because it's a really easy way to move point to point :)

mods/mobs/mese_monster.lua

@@ -44,9 +44,9 @@ mobs:register_mob("mobs:mese_monster", {
 		min = 2,
 		max = 5,},
 		{name = "returnmirror:mirror_inactive",
-		chance = 5,
+		chance = 20,
 		min = 1,
-		max = 5,},
+		max = 1,},
 	},
 	light_resistant = true,
 	armor = 80,