 Paladin | 2 | Always |
 Penda | 2 | 1/128 |
 Phantom Muspah (Ranged) | 480 | 5/235, 2 rolls |
 Pirate (Brimhaven) | 2 | 6/128 |
 Pirate (1) | 2 | 6/128 |
| Prison Pete (Free-to-play) | 19–25 | 110/754 |
| Prison Pete (Members) | 19–25 | 569/5,656 |
 Professor Imblewyn | 15–27 | 23/1,152 |
 Professor Onglewip | 15–27 | 23/1,152 |
 Pyrefiend (Level 43) | 12 | 5/128 |
 Pyrelord (1) | 20 | 5/128 |
| Reward casket (beginner) | 2–7 | 11/492 |
| Reward casket (easy) (Entrana) | 5–10 | 1/17 |
| Reward casket (easy) (Standard) | 5–10 | 11/396 |
| Reward casket (medium) (Entrana) | 10–20 | 1/17 |
| Reward casket (medium) (Standard) | 10–20 | 10/341 |
| Reward Chest (The Gauntlet) (Corrupted) | 200–350 | 1/24, 3 rolls |
| Reward Chest (The Gauntlet) (Regular) | 180–300 | 1/24, 2 rolls |
| Rewards Chest (Fortis Colosseum) (Wave 2) | 150 | 1/7 |
| Rewards Chest (Fortis Colosseum) (Wave 3) | 150 | 9/70 |
| Rewards Chest (Fortis Colosseum) (Wave 4) | 150 | 5,535/43,400 |
| Rewards Guardian | 61–150 | 10/140 |
| Rock Golem (monster) (High level) | 2 | 4/128 |
| Rock Golem (monster) (Low level) | 2 | 4/78 |
 Rockslug (Adult) | 2 | 4/128 |
 Rogue (Level 15) | 2 | 1/128 |
 Rune dragon | 75–150 | 7/127 |
 Rusty | 2 | 1/128 |
 Sarachnis | 175–200 | 5/100 |
 Scorpia | 150–200 | 8/128 |
 Screaming banshee | 3 | 2/128, 3 rolls |
| Screaming banshee | 7 | 1/128, 3 rolls |
 Screaming twisted banshee | 30 | 2/128, 3 rolls |
| Screaming twisted banshee | 17 | 1/128, 3 rolls |
| Scurrius (MVP) | 70–125 | 6/100 |
| Scurrius (non-MVP) | 40–70 | 3/33 |
 Sergeant | 1 | 1/128 |
 Skeletal miner | 5 | 3/128 |
 Skeletal Wyvern (1) | 80 | 4/128 |
 Skeleton | 5 | 3/128 |
 Skeleton (1) | 10 | 4/120 |
 Skeleton (Melee) | 10 | 4/120 |
 Skeleton fremennik (Level 40) | 9 | 3/128 |
 Skeleton Mage (Level 83) | 3–4 | 10/128 |
| Skeleton (Armed) | 5 | 3/128 |
| Skeleton (Unarmed) | 3 | 2/128 |
 Soldier | 1 | 1/128 |
 Soldier | 3 | 1/128 |