|Drops||Secret Dagger, Secret Throwing Dagger (up to five), Full Moon Grass, Flamberge|
Assassin is an enemy in Demon's Souls. They wield a unique shield and a Secret Dagger. Notably, they have a cloaking effect on them similar to that of the Thief's Ring, which renders them invisible at about ten paces or more; however, they can sometimes still detect and throw unique Secret Throwing Daggers at the player from farther away than that. At close range, they attack with various flourishing dagger slashes, a quick slash while performing a backward handspring, and a slow spinning side kick. The kick is telegraphed by the Assassin swinging his right leg backward and spinning around once; it is extremely difficult to block, deals substantial physical damage, grants the Assassin hyper armor for the duration of the attack, and knocks the player backward several paces, potentially off a high ledge. Assassins frequently dodge after successfully attacking by performing an evasive backward handspring.
- The third and fourth Assassins encountered in the Palace streets wait on the rooftops and drop down to attack the player if he/she goes down any of the branching alleyways.
- There is an Assassin on top of the staircase near the two spearmen on the rooftops who may throw knives at the player while still invisible.
- An Assassin in the tower beyond the Penetrator Archstone will drop down from the rafters and attack the player from behind while he/she is engaging the other enemies in the tower.