diff --git a/rogueviz/ru/classes.cpp b/rogueviz/ru/classes.cpp
index 4087c7f3..2a281ef7 100644
--- a/rogueviz/ru/classes.cpp
+++ b/rogueviz/ru/classes.cpp
@@ -188,6 +188,7 @@ struct entity {
   virtual struct moving_platform* as_platform() { return nullptr; }
   virtual struct shopitem* as_shopitem() { return nullptr; }
   virtual struct trader* as_trader() { return nullptr; }
+  virtual struct missile* as_missile() { return nullptr; }
 
   int hp;
   int invinc_end;
@@ -276,6 +277,8 @@ struct entity {
     }
 
   virtual string get_help() { return "No help about this."; }
+
+  virtual bool hit_by_missile(missile *m) { return false; }
   };
 
 struct statdata {
@@ -316,6 +319,8 @@ struct man : public entity {
 
   void on_kill() override;
 
+  bool hit_by_missile(missile *m) override { return true; }
+
   virtual void spiked() {
     entity::spiked();
     addMessage("OUCH! These spikes hurt!");
@@ -418,6 +423,7 @@ struct enemy : public entity {
   void attacked(int s) override;
   void regenerate() override { where = respawn; vel = xy(0, 0); existing = true; hp = max_hp(); }
   virtual int base_xp() { return 0; }
+  bool hit_by_missile(missile *m) override { return true; }
   };
 
 struct vtrap : public entity {
@@ -607,22 +613,27 @@ struct loot : public item {
   };
 
 struct missile : public entity {
+  int power;
   missile() { destroyed = false; }
-  xy siz() override { return {4, 4}; }
+  xy siz() override { auto p = 2 + sqrt(power); return {p, p}; }
   string glyph() override { return "*"; }
+  set<entity*> hit_list;
   void act() override; 
   void hit_wall() override { destroyed = true; }
+  struct missile* as_missile() override { return this; }
   };
 
 struct ice_missile : public missile {
   color_t color() override { return 0x8080FFFF; }
   bool freezing() override { return true; }
+  bool hit_by_missile(missile *m) override { return m->burning(); }
   };
 
 struct fire_missile : public missile {
   int index;
   color_t color() override { return gradient(0xFFFF00FF, 0xFF0000FF, -1, sin(index+ticks/100), 1); }
   bool burning() override { return true; }
+  bool hit_by_missile(missile *m) override { return m->freezing(); }
   };
 
 }
diff --git a/rogueviz/ru/entity.cpp b/rogueviz/ru/entity.cpp
index 7ac34b12..a07ff08d 100644
--- a/rogueviz/ru/entity.cpp
+++ b/rogueviz/ru/entity.cpp
@@ -266,6 +266,13 @@ void entity::kino() {
 void missile::act() {
   kino();
   if(where.x > screen_x || where.x < 0 || where.y < 0 || where.y > screen_y) destroyed = true;
+  for(auto& e: current_room->entities) if(e->hit_by_missile(this) && intersect(get_pixel_bbox(), e->get_pixel_bbox()) && !hit_list.count(&*e)) {
+    if(burning() && e->as_missile() && e->freezing()) { destroyed = true; e->destroyed = true; }
+    if(freezing() && e->as_missile() && e->burning()) { destroyed = true; e->destroyed = true; }
+    hit_list.insert(&*e);
+    e->invinc_end = 0;
+    e->attacked(power);
+    }
   }
 
 void npc_or_trader::act() {
diff --git a/rogueviz/ru/randeff.cpp b/rogueviz/ru/randeff.cpp
index db59c484..267b904d 100644
--- a/rogueviz/ru/randeff.cpp
+++ b/rogueviz/ru/randeff.cpp
@@ -78,7 +78,7 @@ randeff fire_spit("Fiery Spit", "Lets you spit fire.", "You feel fire in your mo
       mi->where = m.where + xy(m.facing * m.get_scale() * m.siz().y * 0.45, 0);
       mi->vel = m.vel + xy(m.facing * d.modv * i, d.modv * (10-i) / 5.);
       mi->clearg();
-      mi->index = i;
+      mi->index = i; mi->power = m.current.stats[stat::wis] * 2 / 5 + 1e-6;
       current_room->entities.emplace_back(std::move(mi));
       }
   });