Used by Gauss

Mach Rush
Burst into a hyper-sprint bowling over enemies and charging the battery. Crashing into solid objects generates a powerful shockwave. Hold to rush continuously.
Introduced in Update 25.7 (2019-08-29)

Mach Crash
Mach Rush Augment: Impact shockwave leaves behind a vacuum that sucks in enemies within 8m.
GaussMach Rush Augment: Impact shockwave leaves behind a vacuum that sucks in enemies within 8m.
Max rank drain ~9; see rank table on the augment page.
Ability dossier · Mach Rush
Use Mach Rush to set up Kinetic Plating, or follow Kinetic Plating with Mach Rush while enemies are vulnerable.
Use Mach Rush to set up Thermal Sunder, or follow Thermal Sunder with Mach Rush while enemies are vulnerable.
Use Mach Rush to set up Redline, or follow Redline with Mach Rush while enemies are vulnerable.
Stack the stats that actually move this ability’s needle, then Efficiency for uptime.
| Mission | How to Use It |
|---|---|
| Steel Path Survival / Defense / Disruption | Test whether Mach Rush still clears or enables clear when enemies are dense and overlevelled. |
| Mobile Defense / Excavation | Use Mach Rush to control or delete the swarm on the objective, then reposition. |
| Exterminate / Capture Speed Runs | Cast Mach Rush only when it saves time — skip it on empty tiles. |
| Spy / Rescue / Quiet Routes | If Mach Rush is loud or forces combat, save it for after the vault; if it’s stealth-friendly, use it to stay safe. |
Vs similar tools on other frames — Mach Rush is tuned for Gauss’s loop — don’t judge it as a standalone subsume without the rest of the kit.