Issac Foster

Intro Isaac Foster, also known as Zack, is a character in the RPG Maker game, manga, and anime Angels of Death. He is a serial killer who uses a scythe and initially appears as an enemy to Rachel Gardner. However, he eventually becomes an ally. Zack is described as having a high intelligence and a remarkable ability to memorize things. He is said to have remembered everything Ray taught him, surprising even Ray himself.