Orb phase (Doom of Mokhaiotl)
This article is compiled from the videos of GnomonkeyRS. It records what Gnomonkey said, with sources, not verified game fact. See About.
| Type | Mechanic |
| Videos | 2 (first 2025-08-09, latest 2025-08-22) |
| Main source | Ironman Budget Doom Delve Boss Guide (OSRS) (NEW) |
Orb phase (Doom of Mokhaiotl) is a mechanic topic that Gnomonkey covers in 2 videos between 2025-08-09 and 2025-08-22. This article is a stub: his statements are grouped by type, repeated ones merged.
Methods
- To make the orb you attack two volatile earths: the first one you shoot sets the direction the second orb will travel, and a 3x3 orb then spawns and moves toward the other earth, turning your character white and protecting you from attacks.1
Stats and numbers
- The Doom of Mokhaiotl orb phase (volatile earth) happens after roughly 90 to 120 seconds into the fight, and Gnomonkey says the goal each delve is to do enough damage that you never have to see it.1
- On delve 1 the orb moves at half speed, and on later delves it moves at walking speed; the boss shoots shockwaves about 20 ticks after the earth spawns.2
- Delve 5 is the shortest delve for getting orb phases and so is more likely than delve 8 to force one.3
- After a patch, the orb now clears acid and the back tile of the orb protects you, and rocks landing on top of you inside the orb no longer place or eject you.4
- Delve 8 has five shockwaves during the orb phase (delve 6 has three), and Gnomonkey says a shockwave plus one off-prayer can kill you instantly.4
Tips
- The orb moves opposite to how players move (diagonal first, then straight), so draw a nearly straight line when spawning it to make it easy to move with.2
- Gnomonkey warns not to spam-click the second earth: wait after the first shot because arrow travel time can make the orb spawn in the wrong direction; do not worry about shooting the boss while learning.5
- To control-click far into the distance so your character walks and stays inside the orb automatically, which lets you pray without manually pathing.5
- Gnomonkey's protocol for delve 5 orb phase: shoot one volatile earth far away, stand near where the orb will spawn, fire about four Scorching bow shots at the boss, then spawn the orb and control-walk with it.3
- Gnomonkey advises that when leaving car phase at low health with an inevitable orb phase (for example boss at 150 health), brew up, but if the boss only has about 50 health left keep sending shots rather than brewing down your damage.6
Gnomonkey's opinion
- Gnomonkey would drastically rework the Doom of Mokhaiotl orb phase because it does not feel good, suggesting the orb spawn instantly on the second shot and the boss's shockwaves have a longer wind-up.7
- Gnomonkey would not throw two rocks at players on delve 8, saying one feels fair enough.7
Revision history
| Date | Video | Change |
|---|---|---|
| 2025-08-22 | The Good and Bad of Endgame (OSRS) | Added: 2 statements (opinion) |
| 2025-08-09 | Ironman Budget Doom Delve Boss Guide (OSRS) (NEW) | Page created: 11 statements (method, stat, tip) |
| ## See also |
- Doom of Mokhaiotl: acid
- Doom of Mokhaiotl: shield phase
- Doom of Mokhaiotl: car attack
- Doom of Mokhaiotl
References
-
Ironman Budget Doom Delve Boss Guide (OSRS) (NEW), 2025-08-09. ▶ 13:20 ↩↩
-
Ironman Budget Doom Delve Boss Guide (OSRS) (NEW), 2025-08-09. ▶ 14:23 ↩↩
-
Ironman Budget Doom Delve Boss Guide (OSRS) (NEW), 2025-08-09. ▶ 24:24 ↩↩
-
Ironman Budget Doom Delve Boss Guide (OSRS) (NEW), 2025-08-09. ▶ 37:03 ↩↩
-
Ironman Budget Doom Delve Boss Guide (OSRS) (NEW), 2025-08-09. ▶ 15:11 ↩↩
-
Ironman Budget Doom Delve Boss Guide (OSRS) (NEW), 2025-08-09. ▶ 38:58 ↩
-
The Good and Bad of Endgame (OSRS), 2025-08-22. ▶ 23:00 ↩↩
Category: Mechanics