You unlock the Phantom Suit by completing the Phantom Assassin Ghost Mode Challenge.
The Ghost Freeze Grande:
A freeze grenade that slows down your opponent for a short period.
The Ghost Flash Grenade:
A flash grenade that blinds your opponent and gives you the advantage of sight.
The Ghost Proximity Explosive:
An explosive device that will blow up your opponent.
The Ghost Outfit Manipulator:
When activated, this device will simultaneously change both your and your opponent’s current outfit – to a new random one.
Ghost Mode Emotes:
We also introduce Emotes for the first time in Ghost Mode, so you can add insult to injury, whether you’re victorious, or just want to taunt your opponent.