Final Weapon — Sigma
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Final Weapon: Sigma
Sigma returns for one last confrontation in three fights back to back. Go in with full Sub Tanks and topped-off Weapon Energy — each phase has its own weakness weapon.
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Sigma — Phase 1: Grim Reaper
Sigma (Grim Reaper)
A floating reaper form that teleports nonstop. Punish him out of every teleport with Rising Fire and wait out the scythe from the top of the wall.
Attacks- Boomerang Scythe — throws his scythe; it spins and chases around the room
- Energy Spheres — fires orbs that slowly home in on you
- Teleport — vanishes and reappears constantly, above or to the sides
Strategy- Weak against Rising Fire
- The instant he reappears, get directly under or in front of him and use Rising Fire (X throws a rising fire uppercut)
- When he throws the scythe, wall-climb to the very top and stay there until the weapon returns to him
- Dash along the ground to slip past the homing energy spheres
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Sigma — Phase 2: True Form
Sigma (True Form)
Faster and hits harder than the Reaper form. Live in the top wall corner, drop for a Lightning Web when he commits to an attack, then climb straight back up.
Attacks- Scythe Throw — buries his scythe in a wall or the floor and electrifies most of the arena
- Eye Laser — fires a laser from his eyes that sweeps across almost the whole floor
- Charge — rushes across the screen at high speed
Strategy- Weak against Lightning Web
- Fire the web straight at him while he's on the ground, or right after any attack ends
- The top corner of the wall is your safe spot — cling to the very top to avoid the eye laser and the charge
- Only drop down when he throws the scythe into the upper wall
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Sigma — Phase 3: Earth & Sky
Sigma (Giant — Earth & Sky)
The final phase is two massive targets sharing one room. Ride the spat-out heads up to the ground robot for Soul Body, and answer the floating head with Ground Hunter while dash-holding into its wind.
Attacks- Giant Robot (Earth) — a massive floor-covering laser and bursts of fire; constantly spits out small floating heads (red and blue)
- Floating Head (Sky) — a strong wind that pushes you toward the floor spikes, spits debris, and fires large energy bolts
Strategy- Giant Robot weakness: Soul Body. Use the small floating heads as platforms — climb them until you're in front of the robot's head, then trigger Soul Body so the holographic clone slams into it
- Floating Head weakness: Ground Hunter. Fire it straight into its face. During the wind attack, hold dash toward it constantly so it can't drag you into the spikes while you keep shooting
- Both targets alternate attacks in the same room — deal with whichever is active and save Sub Tanks for the last stretch
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