Weapon evolves by earning points. Any match won using Phantom Assassin will earn you 1 point. Earning 40 points will upgrade the weapon to Level 2, and earning 100 points causes the weapon to reach its maximum evolution.
Hero
Phantom Assassin
Slot
Weapon
Rarity
Arcana

Radiant Conqueror Shoulder
Dragon of the Outland Ravager
Inscribed Black Pool Watcher
Obelisk of Foresight
Butter Blunder
Exalted Feast of Abscession
Keeper of Oloxicam's Glass Pauldrons
Nimble Ben
Announcer: GLaDOS
Golden Piscean Pulverizer
Goldhorn
Autographed Hunter's Hoard
Spider of Purple Nightmare
Auspicious Speed Demon
Taunt: Party On? Party Off!
Ward of the Phoenix
Toxic Gaze
Armor of the Demon Trickster
Genuine Bloodfeather Wings
Crystalline Comet Loading Screen
Tory the Sky Guardian
Jagged Honor Bracer
Axia of Metira 