 Abyssal demon (Standard) | 7 | 4/128 |
| Abyssal demon (Wilderness Slayer Cave) | 7 | 4/68 |
 Abyssal Sire (Phase 1) | 190–210 | 5/139 |
 Air elemental | 1 | 1/128 |
 Alchemical Hydra (Serpentine) | 150–300 | 6/101, 2 rolls |
 Amoxliatl (Post-quest) | 15–30 | 4/58, 2 rolls |
| Ancient chest | 1–4,095 | 1/33, 2 rolls |
 Ancient Wyvern | 27–33 | 4/132 |
 Angry barbarian spirit | 3 | 3/128 |
| Ankou (Regular) | 11 | 6/100 |
| Ankou (Regular) | 5 | 3/100 |
| Ankou (Wilderness Slayer Cave) | 11 | 3/92 |
| Ankou (Wilderness Slayer Cave) | 8 | 2/92 |
| Ankou (Wilderness Slayer Cave) | 18 | 1/92 |
 Araxxor (In combat) | 180 | 1/115 |
 Araxyte (Level 146) | 30–36 | 5/127 |
 Araxyte (Level 96) | 15–18 | 5/127 |
 Archer | 1 | 1/128 |
 Armadylean guard | 20 | 5/128 |
 Armoured kraken | 25–35 | 8/119 |
 Armoured zombie (Melee) | 4–10 | 4/128 |
| Armoured zombie (Zemouregal's Fort) | 6–14 | 4/128 |
 Artio | 140 | 7/128 |
| Aviansie | 11 | 2/128 |
 Balfrug Kreeyath | 5–10 | 8/127 |
 Bandit (Level 130) | 6 | 1/143 |
| Bandit (Level 22) | 2 | 1/128 |
 Bandosian guard | 20 | 5/128 |
| Barbarian Assault/Gambles (High) | 250–300 | 1/32 |
 Basilisk Knight | 8–20 | 3/52 |
 Basilisk Sentinel | 8–20 | 3/52, 3 rolls |
 Berserk barbarian spirit | 3 | 3/128 |
| Black demon (Regular) | 7 | 4/128 |
| Black demon (Wilderness Slayer Cave) | 7 | 4/74 |
| Black demon (Wilderness Slayer Cave) | 5 | 1/74 |
| Black dragon (Regular) | 15 | 3/128 |
| Black dragon (Wilderness Slayer Cave) | 10 | 3/128 |
 Blood Reaver (Ancient Prison) | 15 | 2/128 |
 Bloodveld (Normal) | 3 | 3/128 |
| Bloodveld (Normal) | 10 | 5/128 |
| Bloodveld (Normal) | 30 | 1/128 |
 Branda the Fire Queen | 100–150 | 2/55, 2 rolls |
 Brine rat | 4 | 2/128 |
 Bronze dragon (Standard) | 15 | 3/128 |
 Brutal black dragon | 50 | 8/128 |
 Brutal green dragon | 20 | 29/128 |
 Brutal red dragon | 12 | 7/128 |
| Bryophyta (Members) | 1 | 1/128 |