Who is The Architect in Slay the Spire 2? Once you've reached the end of your run, you're met by the mysterious Architect. Don't worry, you're supposed to be unsuccessful in killing him before the victory screen hits. Here's everything we know about him and if he can ever be beaten. There are three acts in Slay the Spire 2, and upon reaching the end of the third act, you're faced with The Architect, an enemy that has been teased by unlocking various Epochs and accessing the story through the timeline. When you approach him, you're killed instantly before playing any cards, but it appears you're victorious anyway, kind of.