diff --git a/entity.py b/entity.py
index d8e7c1d..358886f 100644
--- a/entity.py
+++ b/entity.py
@@ -43,9 +43,18 @@ def calc_evasion(self):
 		if not self.is_alive():
 			dex = 0
 		return 10 + (dex - 10) / 2
+		
+	def base_speed(self):
+		return 100
 	
 	def get_speed(self):
-		return 100
+		return round(self.base_speed() * self.speed_mult())
+		
+	def speed_mult(self):
+		mult = 1
+		if self.has_status("Slowed"):
+			mult = 0.5
+		return mult
 	
 	@abstractmethod
 	def get_name(self, capitalize=False):
diff --git a/game_inst.py b/game_inst.py
index babc240..4e1c7d7 100644
--- a/game_inst.py
+++ b/game_inst.py
@@ -95,12 +95,17 @@ def generate_level(self):
 	def place_items(self):
 		board = self.get_board()
 		
+		potions = [
+			[HealingPotion, 120],
+			[EnlargementPotion, 25],
+			[ShrinkingPotion, 25],
+			[SpeedPotion, 35]
+		]
+		
 		for _ in range(rng(1, 5)):
 			pos = board.random_passable()
 			
-			typ = HealingPotion
-			if one_in(3):
-				typ = random.choice([EnlargementPotion, ShrinkingPotion, SpeedPotion])
+			typ = random_weighted(potions)
 			board.place_item_at(pos, typ())
 			
 	def place_monsters(self):
@@ -249,7 +254,6 @@ def do_turn(self):
 			return
 		
 		self.refresh_mon_pos_cache()
-		
 		player.do_turn()
 		
 		self.subtick_timer += used
@@ -258,12 +262,12 @@ def do_turn(self):
 			m.energy += used	
 		
 		self.process_noise_events()	
+		
 		while self.subtick_timer >= 100:
 			self.subtick_timer -= 100
 			self.tick += 1
 			for m in self.monsters:
 				m.tick()
-				
 			
 		remaining = self.monsters.copy()
 		random.shuffle(remaining)
diff --git a/monster.py b/monster.py
index 8a65ebf..15701f1 100644
--- a/monster.py
+++ b/monster.py
@@ -58,7 +58,7 @@ def get_skill(self, name):
 		skills = self.type.skills
 		return skills.get("name", 0)
 		
-	def get_speed(self):
+	def base_speed(self):
 		return self.type.speed
 		
 	def get_diff_level(self):
diff --git a/monsters.json b/monsters.json
index 0c22ff6..d462681 100644
--- a/monsters.json
+++ b/monsters.json
@@ -122,5 +122,25 @@
 		"pack_travel": true,
 		"flags": [ "KEEN_SMELL" ],
 		"attack_msg": "<monster> bites <target>"
+	},
+	{
+		"id": "giant_centipede",
+		"name": "giant centipede",
+		"symbol": "m",
+		"STR": 5,
+		"DEX": 14,
+		"CON": 12,
+		"INT": 1,
+		"WIS": 7,
+		"CHA": 3,
+		"HP": 5,
+		"to_hit": 4,
+		"level": 5,
+		"diff": 3,
+		"use_dex_melee": true,
+		"size": "small",
+		"speed": 90,
+		"base_damage": "1d4",
+		"attack_msg": "<monster> bites <target>"
 	}
 ]
\ No newline at end of file
diff --git a/player.py b/player.py
index 34c3680..8c8b1cc 100644
--- a/player.py
+++ b/player.py
@@ -32,12 +32,11 @@ def calc_evasion(self):
 			if self.has_status("Hasted"):
 				bonus += 2
 			if self.has_status("Enlarged"):
-				bonus *= 0.75
+				bonus *= 0.7
 			elif self.has_status("Reduced"):
-				bonus *= 1.25
+				bonus *= 1.3
 		
-		
-		return bonus
+		return bonus + 5
 		
 	def add_to_inventory(self, item):
 		self.inventory.append(item)
@@ -122,11 +121,11 @@ def visible_monsters(self):
 				if (m := g.monster_at(pos)):
 					yield m
 					
-	def get_speed(self):
-		speed = 100
+	def speed_mult(self):
+		mult = super().speed_mult()
 		if self.has_status("Hasted"):
-			speed *= 2
-		return speed
+			mult *= 2
+		return mult
 		
 	def get_name(self, capitalize=False):
 		return "You" if capitalize else "you"
@@ -140,7 +139,7 @@ def calc_to_hit_bonus(self, mon):
 			mod += 5
 		
 		if self.has_status("Reduced"):
-			mod += 1
+			mod += 1.5
 		return mod
 		
 	def regen_rate(self):
@@ -154,7 +153,7 @@ def recalc_max_hp(self):
 		if self.has_status("Enlarged"):
 			val *= 1.5
 		elif self.has_status("Reduced"):
-			val *= 0.75
+			val *= 0.7
 			
 		oldhp = self.MAX_HP
 		self.MAX_HP = round(val)
@@ -192,7 +191,6 @@ def use_item(self):
 		item = g.select_use_item()
 		if not item:
 			return False
-		self.add_msg(f"You have selected {item.name}")
 		used = item.use(self)
 		if used:
 			self.inventory.remove(item)
@@ -261,7 +259,7 @@ def attack_pos(self, pos):
 			
 			damage = dice(1, 6) + div_rand(self.STR - 10, 2)
 			if self.has_status("Enlarged"):
-				damage += dice(1, 4)
+				damage += dice(1, 6)
 			elif self.has_status("Reduced"):
 				damage = (damage + 1) // 2
 			damage = max(damage, 1)
@@ -277,7 +275,6 @@ def attack_pos(self, pos):
 				noise = div_rand(noise, 2)
 			
 			self.make_noise(noise)
-			self.add_msg(f"Made combat sound of {noise}")
 			self.add_msg(f"You hit {mon.get_name()} for {damage} damage.")
 			
 			mon.take_damage(damage)
@@ -349,7 +346,7 @@ def do_turn(self):
 	def stealth_roll(self):
 		stealth = (self.DEX-10)/2
 		if self.has_status("Reduced"):
-			stealth += 2
+			stealth += 3
 		elif self.has_status("Enlarged"):
-			stealth -= 2
+			stealth -= 3
 		return gauss_roll(stealth)	
\ No newline at end of file
diff --git a/utils.py b/utils.py
index 8e18f12..125591a 100644
--- a/utils.py
+++ b/utils.py
@@ -52,6 +52,9 @@ def div_rand(x, y):
 	mod = x % y
 	return sign * (x//y + (rng(1, y) <= mod))
  
+def random_weighted(entries):
+	values, weights = list(zip(*entries))
+	return random.choices(values, weights=weights)[0]
 	
 def dice(num, sides):
 	if sides == 1: