Alby Timeline & Summary

Alby helps Thomas out of the Box and is already sick of his questions.
He assigns Chuck to be Thomas's little helper, to escort him around the place and fill him in gradually.
He starts to lead Thomas's Tour but gets interrupted by the arrival of Teresa.
Alby shoots Ben in the face with a bow and arrow to save Thomas's life.
Minho tells him about the "dead" Griever in the Maze.
Alby accuses Thomas of being involved somehow, and tells him he's suspicious.
He leads the Banishment ceremony that exiles Ben into the Maze.
Alby goes to examine the dead Griever with Minho, but gets stung when it comes to life.
Thomas ties him to the Wall with ivy during the Griever attack overnight, and saves his life.
When he comes to, Alby strangles himself while trying to tell Thomas what he remembers from the Changing, but he manages to get out a warning to save the Maps.
Alby throws Teresa in the Slammer when she wakes up because he doesn't trust her—she started the end after all.
He fakes his own assault and burns what he thinks are the Maps in order to try to stay in the Glade.
Alby sacrifices himself to the Grievers when they have the kids surrounded during their escape in order to buy some time.