| 'Rum'-pumped crab [] | 13–17 | 1/2,048,000 |
| Aberrant spectre [] | 13–17 | 1/2,621,440 |
| Abomination [] | 13–17 | 1/128,000 |
| Abyssal beast [] | 13–17 | 1/96,000 |
| Abyssal demon [] | 13–17 | 1/192,000 |
| Abyssal demon [] | 13–17 | 1/128,000, 3 rolls |
| Abyssal demon [] | 13–17 | 1/4,128,768 |
| Abyssal lord [] | 13–17 | 1/64,000 |
| Abyssal savage [] | 13–17 | 1/128,000 |
| Acheron mammoth [] | 13–17 | 1/128,000 |
| Adamant dragon [] | 13–17 | 1/76,800 |
| Ahoeitu the Chef (Normal mode) [] | 13–17 | 1/192,000 |
| Air elemental [] | 13–17 | 1/10,485,760 |
| Airut [] | 13–17 | 1/183,402.99 |
| Alanogard the Black (Normal mode) [] | 13–17 | 1/192,000 |
| Alchemist's chest [] | 1 | 1,401/34,362 |
| Alchemist's chest [] | 15 | 5/34,362 |
| Alexis [] | 13–17 | 1/83,886,080 |
| Amascut, the Devourer (100% enrage) [] | 2–8 | Common |
| Amascut, the Devourer (1000% enrage) [] | 4–16 | Common |
| Amascut, the Devourer (2000%+ enrage) [] | 5–20 | Common |
| Amascut, the Devourer (500% enrage) [] | 3–12 | Common |
| Amascut, the Devourer (750% enrage) [] | 3–12 | Common |
| Amascut, the Devourer (Normal mode) [] | 1–4 | Common |
| Anagami (Normal mode) [] | 13–17 | 1/192,000 |
| Ancient mage [] | 13–17 | 1/10,485,760 |
| Ancient mage [] | 13–17 | 1/4,128,768 |
| Ancient ranger [] | 13–17 | 1/6,990,506.67 |
| Ancient ranger [] | 13–17 | 1/4,128,768 |
| Ancient warrior [] | 13–17 | 1/6,990,506.67 |
| Ancient warrior [] | 13–17 | 1/4,128,768 |
| Angry barbarian spirit [] | 13–17 | 1/10,076,160 |
| Animated book (Dragonkin Laboratory) (Normal mode) [] | 13–17 | 1/192,000 |
| Ankou [] | 13–17 | 1/3,495,253.33 |
| Ankou [] | 13–17 | 1/1,529,173.33, 3 rolls |
| Aquanite [] | 13–17 | 1/320,000 |
| Aquanite [] | 13–17 | 1/128,000, 3 rolls |
| Arhat (Normal mode) [] | 13–17 | 1/192,000 |
| Arhat paragon (Normal mode) [] | 13–17 | 1/192,000 |
| Armadylean shaman [] | 13–17 | 1/1,497,965.71 |
Armoured zombie (Defender of Varrock)[] | 13–17 | 1/20,971,520 |
| Armoured zombie (Normal mode) [] | 13–17 | 1/192,000 |
Arrg (Scratched)[] | 13–17 | 1/4,194,304 |
| Astellarn (Normal mode) [] | 13–17 | 1/192,000 |
| Automaton (Heart of Gielinor) [] | 13–17 | 1/4,063,232 |
| Automaton champion [] | 13–17 | 1/3,964,928 |
| Automaton Generator [] | 13–17 | 1/3,686,400 |
| Automaton Guardian [] | 13–17 | 1/3,686,400 |