| A | B | C | D | E | F | G | H | I | J | K | L | M |
| N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Name   |
Combat Level |
Members Only | Number of Lifepoints |
XP | Slayer XP |
| Oily orokami | 0 | Yes | 0 | 0 | 0 |
| Oipuis | 75 | Yes | 2700 | 201 | 55 |
| Onyx dragon | 126 | Yes | 50000 | 2376 | 1859 |
| Oomlie Bird | 89 | Yes | 3200 | 458 | 40 |
| Orc | 20 | Yes | 330 | 599 | 0 |
| Ork | 95 | Yes | 6800 | 796 | 0 |
| Ork legion | 86 | Yes | 500 | 298 | 50 |
| Ork statue | 71 | Yes | 4200 | 340 | 0 |
| Ornate tortle | 0 | Yes | Unknown | 0 | 0 |
| Othainian | 78 | Yes | 2800 | 290 | 0 |
| Otherworldly being | 63 | Yes | 2250 | 175 | 36 |
| Ouhai | 75 | Yes | 2700 | 280 | 55 |
| Ourg statue | 79 | Yes | 5600 | 350 | 0 |
| Outlaw | 32 | No | 1150 | 50 | 0 |
| Padulah | 75 | Yes | 2700 | Unknown | 52 |
| Paladin | 49 | Yes | 1750 | 115 | 0 |
| Palmer | 30 | Yes | 750 | 37 | 0 |
| Parasite | 75 | No | 5400 | 641 | 0 |
| Pavosaurus rex | 0 | Yes | 90000 | 0 | 0 |
| Pawya | 0 | Yes | 0 | 0 | 0 |
| Pee Hat | 84 | Yes | 3000 | 358 | 126 |
| Penance Healer | 0 | Yes | 0 | 0 | 0 |
| Penance King | Unknown | No | Unknown | 0 | 0 |
| Penance Queen | 140 | Yes | 2500 | Unknown | 0 |
| Penance Ranger (21) | 101 | Yes | 0 | Unknown | 0 |
| Penance Runner | 0 | Yes | 50 | Unknown | 0 |
| Penda | 4 | Yes | 150 | 33 | 0 |
| Penguin | 8 | Yes | 300 | 37 | 8 |
| Pernicious parrot | 90 | Yes | 1250 | 132 | 0 |
| Pest Queen | 98 | No | 50000 | 782 | 0 |
| Pharaoh | 200 | Yes | 150000 | 0 | 0 |
| Pheasant | 4 | Yes | 50 | 18 | 0 |
| Phoenix | 84 | Yes | 10000 | Unknown | 500 |
| Phrin shade | 67 | Yes | 4800 | 159 | 56 |
| Phrin shadow | 60 | Yes | 2150 | 159 | 0 |
| Piercing Jellyfish | 112 | Yes | 30000 | 955 | 0 |
| Pig | 6 | Yes | 150 | 34 | 6 |
| Pirate (jail) | 32 | No | 1150 | 88 | 0 |
| Pirate (level 38) | 38 | Yes | 950 | 87 | 0 |
| Pirate (level 42) | 42 | No | 200 | 87 | 0 |
| Pirate (level 46) | 46 | No | 1150 | 66 | 0 |
| Pirate guard | 42 | Yes | 1500 | 67 | 0 |
| Pit Scorpion | 56 | Yes | 2000 | 193 | 32 |
| Plague cow | 0 | Yes | 0 | Unknown | 0 |
| Plague Frog | 21 | Yes | 1500 | 75 | 0 |
| Plover | 0 | Yes | 0 | 0 | 0 |
| Poison Scorpion | 49 | Yes | 1750 | 154 | 0 |
| Poison spider | 63 | Yes | 2250 | 175 | 34 |
| Pontak | 56 | Yes | 0 | Unknown | 0 |
| Poorly Cooked Karambwan (level 1) | 1 | Yes | 50 | 33 | 0 |
| Poorly Cooked Karambwan (level 11) | 11 | Yes | 400 | 38 | 0 |
| Poorly Cooked Karambwan (level 15) | 15 | Yes | 550 | 45 | 0 |
| Poorly Cooked Karambwan (level 21) | 21 | Yes | 750 | 49 | 0 |
| Poorly Cooked Karambwan (level 30) | 30 | Yes | 1000 | 64 | 0 |
| Poorly Cooked Karambwan (level 35) | 35 | Yes | 1250 | 71 | 0 |
| Poorly Cooked Karambwan (level 5) | 5 | Yes | 200 | 33 | 0 |
| Poorly Cooked Karambwan )level 25) | 25 | Yes | 900 | 53 | 0 |
| Possessed Pickaxe (level 110) | 110 | Yes | 2750 | Unknown | 40 |
| Possessed pickaxe (level 49) | 49 | Yes | 1750 | 110 | 0 |
| Prehistoric abyssal | 56 | Yes | 12500 | 207 | 0 |
| Puffin | 0 | Yes | 0 | Unknown | 0 |
| Pyrefiend | 61 | No | 2200 | 167 | 34 |
| Pyrefiend (level 67) | 67 | Yes | 2400 | 202 | 41 |
| Queen Black Dragon | 900 | Yes | 144000 | 4908 | 1694 |
| Queen spawn | 69 | Yes | 11390 | Unknown | 0 |
| Rabbit | 2 | Yes | 50 | 33 | 0 |
| Rabbit (level 1) | 1 | No | 50 | 33 | 0 |
| Rabbit (level 4) | 4 | Yes | 100 | 33 | 0 |
| Ragnar | 8 | Yes | 200 | 33 | 0 |
| Ragnvald | 8 | Yes | 200 | 33 | 0 |
| Ram | 2 | No | 100 | 33 | 0 |
| Ranalph Devere | 92 | Yes | 1150 | 132 | 0 |
| Rannveig | 8 | Yes | 200 | 36 | 0 |
| Rat | 2 | No | 50 | 25 | 2 |
| Ravager (level 105) | 105 | Yes | 900 | 81 | 0 |
