rebalance monsters

Author: goblinhack

src/things/monst/mantisman.cpp

@@ -120,7 +120,7 @@ static bool tp_mantisman_on_attacking(Gamep g, Levelsp v, Levelp l, Thingp me, T
   tp_flag_set(tp, is_submergible); // is seen submerged when in water
   tp_flag_set(tp, is_tickable);
   tp_flag_set(tp, is_vision_180_degrees);
-  tp_health_set(tp, "2d6");
+  tp_health_set(tp, "2d4");
   tp_is_immune_add(tp, THING_EVENT_WATER_DAMAGE);
   tp_monst_group_add(tp, MONST_GROUP1);
   tp_name_a_or_an_set(tp, "a mantisman");