The Time Keeper

The Assassin is the third Boss in Dead Cells and final boss at the moment. She was added in the Brutal update. She's found in the Clock Room which is at the top of the The Clock Tower. The Assassin is the first boss that is a human or something close to it, the other two bosses being monsters.

The Assassin talks with the Prisoner after reaching a random stage of his life.

First Phase

 * The Assassins performs a melee atack with her swords
 * The Assassins throws three four-pointed shuriken forward
 * The Assassins throws a hook, like the Catcher's hook
 * The Assassins performs a forward dash
 * An explosion of four-pointed shurikens

Second Phase

 * Swords falls from the top of the room

Atacks

 * Understanding the attack pattern is the first step to beating The Assassin
 * All of her attacks can be roll-dodged, including the fallen swords
 * She can be frozen

Weapons/Items

 * As she can be frozen, you can use this and hit her with a massive damage weapon, like Cursed Sword or Heavy Crossbow
 * Phaser and Assassin's Dagger is a good way to cause massive damage to The Assassin
 * Also, Parrying most of Assassin's attacks is a good way to beat her, as seem in this video Shield build strategy