 Revenant imp | 2 | 1/1,512.5 |
 Revenant knight | 2 | 1/53.23 |
 Revenant maledictus | 2 | 1/49.75 |
 Revenant ork | 2 | 1/72.6 |
 Revenant pyrefiend | 2 | 1/204.51 |
| Reward casket (elite) | 1 | 1/32.3 |
| Reward casket (hard) | 1 | 1/27.1 |
| Rewards Chest (Fortis Colosseum) (Wave 10) | 5 | 2,340/16,000 |
| Rewards Chest (Fortis Colosseum) (Wave 2) | 4 | 1/7 |
| Rewards Chest (Fortis Colosseum) (Wave 3) | 4 | 9/70 |
| Rewards Chest (Fortis Colosseum) (Wave 4) | 4 | 5,535/43,400 |
| Rewards Chest (Fortis Colosseum) (Wave 8) | 5 | 1,876/114,240 |
 Rune dragon | 1 | 1/16,256 |
 Scarab Mage (Level 66 (Contact!)) | 1 | 1/16,384 |
 Scorpia | 1 | 5/128 |
 Sergeant | 1 | 1/512 |
 Skeletal Wyvern (1) | 1 | 2/128 |
| Skeletal Wyvern (1) | 1 | 1/5,461.33 |
 Skeleton (1) | 1 | 1/15,360 |
 Skeleton (Melee) | 1 | 1/15,360 |
 Smoke devil | 1 | 1/4,096 |
 Sourhog | 1 | 1/14,080 |
 Spiritual warrior (Zamorak) | 1 | 1/127 |
| Steel dragon (Standard) | 1 | 1/4,096 |
 Strange creature | 1 | 1/20,480 |
 Tormented Demon (1) | 1 | 2/51 |
 Tortured gorilla (Level 141) | 1 | 1/18,285.71 |
 Vitreous Chilled Jelly | 1 | 2/128, 3 rolls |
 Vitreous Warped Jelly | 1 | 2/128, 3 rolls |
 Vorkath (Post-quest) | 2–3 | 5/150, 2 rolls |
| Vorkath (Post-quest) | 1 | 1/3,840, 2 rolls |
 Vyrewatch (Level 87) | 1 | 1/12,288 |
 Vyrewatch Sentinel (1) | 1 | 1/93 |
| Vyrewatch Sentinel (1) | 1 | 1/11,904 |
 Warped Jelly | 1 | 2/128 |
 Warped Terrorbird (Level 96) | 1 | 1/64 |
 Warped Tortoise | 1 | 1/64 |
 Zombie (Melee) | 1 | 1/15,360 |
 Zulrah (Serpentine) | 1 | 1/3,187.2, 2 rolls |