 Abyssal demon (Standard) | 10 | 7/128 |
| Abyssal demon (Wilderness Slayer Cave) | 10 | 7/68 |
 Adamant dragon | 60–120 | 7/110 |
| Adventurer Jon (Bringer of chaos) | 35 | Always |
 Afflicted (Level 30) | 2 | 1/128 |
 Air elemental | 2 | 7/128 |
 Al Kharid warrior | 2 | 1/128 |
 Alchemical Hydra (Serpentine) | 150–300 | 6/101, 2 rolls |
 Amoxliatl (Post-quest) | 30–60 | 4/58, 2 rolls |
 Anja | 2 | 1/128 |
 Araxyte (Level 146) | 20–30 | 5/127 |
 Araxyte (Level 96) | 10–15 | 5/127 |
 Archer | 2 | 1/128 |
 Armoured zombie (Melee) | 10–20 | 1/128 |
| Armoured zombie (Zemouregal's Fort) | 15–30 | 1/128 |
 Artio | 300 | 7/128 |
| Aviansie | 3 | 3/128 |
| Aviansie | 16 | 1/128 |
 Bandit (Level 57) | 2 | 21/128 |
 Bandit (1) | 6 | 5/128 |
 Bandit | 6 | 5/128 |
 Bandit (Level 130) | 10 | 3/143 |
| Bandit (Level 22) | 6 | 3/128 |
 Banshee | 3 | 2/128 |
| Banshee | 7 | 1/128 |
| Barbarian (Barbarian Camp) (High level) | 3 | 4/128 |
| Barbarian (Barbarian Camp) (Low level) | 2 | 4/128 |
| Barbarian Assault/Gambles (Low) | 150–200 | 1/32 |
| Barbarian (High level) | 3 | 4/128 |
| Barbarian (Low level) | 2 | 4/128 |
| Black demon (Regular) | 10 | 7/128 |
| Black demon (Wilderness Slayer Cave) | 25 | 7/74 |
| Black dragon (Wilderness Slayer Cave) | 25 | 1/128 |
| Black Guard (Level 25) | 2 | 4/128 |
 Black Heather | 3 | 3/128 |
| Black Knight | 6 | 3/128 |
 Black Knight Titan | 2 | 1/128 |
 Blood Reaver (Ancient Prison) | 15 | 3/128 |
 Branda the Fire Queen | 200–400 | 2/55, 2 rolls |
 Breoca | 2 | 1/128 |
| Bronze Chest (black) | 12–29 | 13/98.64 |
| Bronze Chest (brown) | 12–29 | 13/98.59 |
| Bronze Chest (crimson) | 12–29 | 13/98.62 |
| Bronze Chest (purple) | 12–29 | 10/98.67 |
| Bronze Chest (red) | 12–29 | 14/98.56 |
 Brutal blue dragon (Catacombs of Kourend) | 18 | 8/128 |
 Brutus | 12 | 2/81 |
| Bryophyta (Free-to-play) | 7 | 3/128 |