Corporeal Beast, currently the second strongest monster in Old School RuneScape.
The strongest monster in Old School RuneScape (based on combat level) is currently the Great olm, with a combat level of 1043 in terms of bosses and all monsters. The strongest quest monster is currently Glough, with a combat level of 378.
Past record holders
- For more information on the monsters, please see their individual pages listed above by clicking on the links.
Overall strongest monster past record holders
| Monster | Level | Timeframe | Duration |
|---|---|---|---|
| Great olm | 1043 | 5 January 2017–present | 2661 days |
| Corporeal Beast | 785 | 16 October 2014–5 January 2017 | 812 days |
| TzTok-Jad | 702 | 22 February 2013–16 October 2014 | 601 days |
Historical strongest monster past record holders
- Note: This section refers to the historical context of the monsters upon their first incarnation into RuneScape.
| Monster | Level | Timeframe | Duration |
|---|---|---|---|
| Corporeal Beast | 785 | 15 September 2008–10 January 2011 | 847 days |
| TzTok-Jad | 702 | 4 October 2005–15 September 2008 | 1077 days |
| Kalphite Queen | 333 | 7 September 2004–4 October 2005 | 392 days |
| King Black Dragon | 245 (RSC) / 276 (RS2) | 24 September 2002–7 September 2004 | 714 days |
| Black dragon | 200 (RSC) | 27 February 2002–24 September 2002 | 209 days |
| Elvarg | 110 (RSC) | 23 September 2001–27 February 2002 | 157 days |
| Greater demon | 87 (RSC) | 13 August 2001–23 September 2001 | 41 days |
| Lesser demon | 79 (RSC) | 11 June 2001–13 August 2001 | 63 days |
| Ice giant | 68 (RSC) | 6 April 2001–11 June 2001 | 66 days |
| Moss giant | 62 (RSC) | 5 February 2001–6 April 2001 | 60 days |
| Black Knight | 46 (RSC) | 4 January 2001–5 February 2001 | 32 days |
All-time quest monster past record holders
| Monster | Level | Timeframe | Duration |
|---|---|---|---|
| Glough | 378 | 6 May 2016–present | 2,905 days |
| The Inadequacy | 343 | 22 February 2013–6 May 2016 | 1169 days |
| The Inadequacy | 15 May 2007–26 November 2008 | 561 days | |
| Black Dragon (Freeing Sir Amik Varze) | 227 | 15 March 2006–15 May 2007 | 426 days |
| Jungle demon | 195 | 6 December 2004–15 March 2006 | 464 days |
| Nezikchened | 187 (RSC) | 20 August 2003–6 December 2004 | 473 days |
| Black Demon (The Grand Tree) | 175 (RSC) | 12 September 2002–20 August 2003 | 342 days |
| Chronozon | 121 (RSC) | 9 April 2002–12 September 2002 | 156 days |
| Elvarg | 110 (RSC) | 23 September 2001–9 April 2002 | 198 days |
| Count Draynor | 43 (RSC) | 28 January 2001–23 September 2001 | 238 days |
| Delrith | 30 (RSC) | 4 January 2001–28 January 2001 | 24 days |
Top 30 strongest monsters
Position Monster Level 1 Great olm 1043 2 Corporeal Beast 785 3 Zulrah 725 4 TzTok-Jad 702 5 K'ril Tsutsaroth 650 6 General Graardor 624 7 Commander Zilyana 596 8 Kree'arra 580 9 Callisto 470 10 Venenatis 464 11 Vet'ion 454 12 Glough 378 13 Ket-Zek 360 14 Marble gargoyle 349 15 The Inadequacy 343 16 Repugnant spectre 335 17 Kalphite Queen 333 18 Skotizo 321 19 Cerberus 318 20 Brutal black dragon 318 21 Night beast 310 22 Chaos Elemental 305 23 Mithril Dragon 304 24 Dagannoth Supreme 303 25 Dagannoth Prime 303 26 Dagannoth Rex 303 27 Thermonuclear smoke devil 301 28 Nechryarch 300 29 King kurask 295 30 Kraken 291