Uppercut
From the MEGA Wiki
The Uppercut is a special move in rival duels. Hold W and press 
: a Punch aimed high that launches your rival into the air.
Other duel moves
| Move | Input | What it does |
|---|---|---|
 Punch | | Alternates front and back punches. |
| Kick |  | Alternates front and back kicks. |
| Block |  | Tap as an attack comes in. Perfect timing parries and lets you counter. |
| Jump | SPACE | One air attack per jump. |
| Dash | AA / DD | Double-tap a direction. Ctrl + direction also works. |
| Uppercut | W + | Launches your rival into the air. |
| Sweep | S + | Low kick, then sweep: the second kick knocks your rival off their feet. |
Uppercut
| Titan moves | Slash · Special ·  Sprint ·  Smash · Roar |
|---|---|
| Specials |  Earthbreaker ·  Tidal surge ·  Furnace roar ·  Rampage roll ·  Code breath |
| Duel moves | Punch · Kick · Block · Jump · Dash · Uppercut · Sweep |
| Upgrades |  Far Sight · Long Strides · Quick Claws · Titan Growth · Crushing Blows · Armored Hide · Rapid Regeneration |