diff --git a/rogueviz/ru/classes.cpp b/rogueviz/ru/classes.cpp
index 13775987..16e842b3 100644
--- a/rogueviz/ru/classes.cpp
+++ b/rogueviz/ru/classes.cpp
@@ -250,6 +250,9 @@ struct entity {
   int hp;
   int invinc_end;
 
+  entity *hallucinated = nullptr;
+  virtual bool can_be_hallucinated() { return true; }
+
   virtual int max_hp() { return 100; }
 
   virtual bool visible(room *r);
@@ -340,6 +343,8 @@ struct entity {
   virtual void on_fountain();
 
   virtual void on_reset_all() {}
+
+  entity *hal();
   };
 
 struct statdata {
@@ -724,6 +729,7 @@ struct hint : public located_entity {
   void act() override;
   bool have_help() { return false; }
   string get_name() override { return "<hint>"; }
+  bool can_be_hallucinated() override { return false; }
   };
 
 struct item : public located_entity {
diff --git a/rogueviz/ru/entity.cpp b/rogueviz/ru/entity.cpp
index 6597e5f1..284ce7ab 100644
--- a/rogueviz/ru/entity.cpp
+++ b/rogueviz/ru/entity.cpp
@@ -111,7 +111,7 @@ void entity::apply_walls() {
     if(b == wRogueWallHidden && is_disarmer()) {
       current_room->replace_block_frev(x, y, wRogueWall);
       if(current_room->fov[y][x])
-        addMessage("Your hairsnake exposes a fake wall!");
+        addMessage("Your " + hal()->get_name() + " exposes a fake wall!");
       }
     };
 
@@ -362,7 +362,7 @@ void boar::act() {
   kino();
   if(intersect(get_pixel_bbox(), m.get_pixel_bbox())) {
     int s = where.x < m.where.x ? -1 : 1;
-    if(m.reduce_hp(15)) addMessage("The wild boar gores you!");
+    if(m.reduce_hp(15)) addMessage("The " + hal()->get_name() + " gores you!");
     auto dat = get_dat();
     auto mdat = m.get_dat();
     if(m.on_floor) m.vel.x = mdat.d * mdat.modv * -s * 1.5, m.vel.y = -mdat.d * mdat.modv * 2;
@@ -382,7 +382,7 @@ void boar::act() {
 void enemy::attacked(int dmg) {
   current_target = this;
   if(reduce_hp(dmg)) {
-    if(!existing) addMessage("You kill the " + get_name() + "."); else addMessage("You hit the " + get_name() + ".");
+    if(!existing) addMessage("You kill the " + hal()->get_name() + "."); else addMessage("You hit the " + hal()->get_name() + ".");
     }
   }
 
@@ -586,14 +586,14 @@ void kestrel::act() {
   apply_vel();
 
   if(intersect(get_pixel_bbox(), m.get_pixel_bbox())) {
-    if(m.reduce_hp(15)) addMessage("The kestrel claws you!");
+    if(m.reduce_hp(15)) addMessage("The " + hal()->get_name() + " claws you!");
     }
   }
 
 void gridbug::act() {
 
   if(intersect(get_pixel_bbox(), m.get_pixel_bbox())) {
-    if(m.reduce_hp(15)) addMessage("The grid bug zaps you!");
+    if(m.reduce_hp(15)) addMessage("The " + hal()->get_name() + " zaps you!");
     }
 
   if(gframeid < next_move || !visible(current_room) || gframeid < invinc_end) return;
@@ -669,7 +669,7 @@ void bat::act() {
   apply_vel();
 
   if(intersect(get_pixel_bbox(), m.get_pixel_bbox())) {
-    if(m.reduce_hp(15)) addMessage("The bat bites you!");
+    if(m.reduce_hp(15)) addMessage("The " + hal()->get_name() + " bites you!");
     }
   }
 
@@ -726,7 +726,7 @@ void guineapig::act() {
             where = nonblocked(ca = gmod(ca+j-3, 8), s).first;
             if(intersect(get_pixel_bbox(), m.get_pixel_bbox())) {
               if(m.reduce_hp(15)) {
-                addMessage("The guinea pig bites you!");
+                addMessage("The " + hal()->get_name() + " bites you!");
                 spindir *= -1;
                 }
               }
@@ -756,7 +756,7 @@ void vtrap::act() {
   apply_vel();
 
   if(intersect(get_pixel_bbox(), m.get_pixel_bbox())) {
-    if(m.reduce_hp(200)) addMessage("The trap zaps you!");
+    if(m.reduce_hp(200)) addMessage("The " + hal()->get_name() + " zaps you!");
     }
   }
 
@@ -783,7 +783,7 @@ void disnake::act() {
   kill_off_screen();
   for(auto& e: current_room->entities)
     if(e->hidden() && e->existing && intersect(e->get_pixel_bbox(), get_pixel_bbox())) {
-      addMessage("Your hear a sound of a " + e->get_name() + " colliding with a hairsnake.");
+      addMessage("Your hear a sound of the " + e->hal()->get_name() + " colliding with the " + hal()->get_name() + ".");
       e->existing = false;
       destroyed = true;
       }
@@ -816,7 +816,7 @@ void icicle::act() {
     }
   if(state != 0) {
     if(intersect(get_pixel_bbox(), m.get_pixel_bbox())) {
-      if(m.reduce_hp(50)) addMessage("An icicle falls on you!");
+      if(m.reduce_hp(50)) addMessage("The " + hal()->get_name() + " falls on you!");
       }
     }
   }
diff --git a/rogueviz/ru/hallucinate.cpp b/rogueviz/ru/hallucinate.cpp
new file mode 100644
index 00000000..3444637b
--- /dev/null
+++ b/rogueviz/ru/hallucinate.cpp
@@ -0,0 +1,23 @@
+namespace rogue_unlike {
+
+void prepare_hallucination() {
+  set<string> names_seen;
+  vector<entity*> visions;
+  for(auto& [c, r]: rooms) for(auto& e: r.entities) {
+    if(!e->can_be_hallucinated()) continue;
+    string s = e->get_name();
+    if(names_seen.count(s)) continue;
+    names_seen.insert(s);
+    visions.push_back(&*e);
+    }
+
+  for(auto& [c, r]: rooms) for(auto& e: r.entities) {
+    e->hallucinated = hrand_elt(visions);
+    }
+  }
+
+entity *entity::hal() {
+  return (m.current.hallucinating && hallucinated) ? hallucinated : this;
+  }
+
+}
diff --git a/rogueviz/ru/man.cpp b/rogueviz/ru/man.cpp
index 4211463f..62525834 100644
--- a/rogueviz/ru/man.cpp
+++ b/rogueviz/ru/man.cpp
@@ -111,6 +111,9 @@ void man::act() {
    
   handle_powers(dat);
 
+  if(next.hallucinating && !current.hallucinating)
+    prepare_hallucination();
+
   if((on_floor || current.jump_control || wallhug) && !on_ice) {
     vel.x = zero_vel.x + dat.dx * dat.d * dat.modv * 2.5;
     }
@@ -182,7 +185,7 @@ void man::launch_attack(power *p, int fac, boxfun f) {
         if(m == mod::freezing) { e->invinc_end = sav; e->attacked(qty); }
         if(m == mod::disarming && e->hidden()) {
           e->existing = false;
-          addMessage("You have disarmed a "+e->get_name()+".");
+          addMessage("You have disarmed a "+e->hal()->get_name()+".");
           }
         }
       }
diff --git a/rogueviz/ru/randeff.cpp b/rogueviz/ru/randeff.cpp
index d45addd0..b2cdc14f 100644
--- a/rogueviz/ru/randeff.cpp
+++ b/rogueviz/ru/randeff.cpp
@@ -183,7 +183,7 @@ void assign_potion_powers() {
   using relist = vector<randeff*>;
   find_power("health").randeffs = relist{ pick(&health_heal, &health_regen, &health_protect), random_powers[0] };
   find_power("the thief").randeffs = relist{ pick(&trap_detect, &trap_snake, &trap_disarm, &trap_detect_cross), random_powers[1] };
-  find_power("polymorph").randeffs = relist{ pick(&morph_cat, &morph_capy), random_powers[2] };
+  find_power("polymorph").randeffs = relist{ pick(&morph_cat, &morph_capy), random_powers[2], &hallux };
   find_power("reach").randeffs = relist{ pick(&jump_double, &jump_high, &jump_bubble, &jump_light), random_powers[3] };
   find_power("fire").randeffs = relist{ pick(&fire_spit, &fire_weapon), random_powers[4] };
   find_power("mystery").randeffs = relist{ random_powers[5], random_powers[6], random_powers[7] };
diff --git a/rogueviz/ru/render.cpp b/rogueviz/ru/render.cpp
index a65d1568..cc8784a3 100644
--- a/rogueviz/ru/render.cpp
+++ b/rogueviz/ru/render.cpp
@@ -237,7 +237,8 @@ void entity::draw() {
   ld maxx = max(where.x, gwhere.x) + si.x * d / 2;
   ld maxy = max(where.y, gwhere.y) + si.y * d / 2;
 
-  asciiletter(minx, miny, maxx, maxy, glyph(), color());
+  auto h = hal();
+  asciiletter(minx, miny, maxx, maxy, h->glyph(), h->color());
   }
 
 void man::draw() {
diff --git a/rogueviz/ru/ru.cpp b/rogueviz/ru/ru.cpp
index 01cac77b..fe41a892 100644
--- a/rogueviz/ru/ru.cpp
+++ b/rogueviz/ru/ru.cpp
@@ -29,6 +29,7 @@ Have fun!
 #include "staters.cpp"
 #include "geometry.cpp"
 #include "entity.cpp"
+#include "hallucinate.cpp"
 #include "man.cpp"
 #include "room.cpp"
 #include "render.cpp"
@@ -301,8 +302,8 @@ void run() {
               help_entity = &*e;
 
         if(help_entity) {
-          mouseovers = help_entity->get_name();
-          helpstr = help_entity->get_help();
+          mouseovers = help_entity->hal()->get_name();
+          helpstr = help_entity->hal()->get_help();
           }
 
         int x = mousepx / block_x, y = mousepy / block_y;