They have to stop Magneto first, then stop Bastion. They are fighting both.Exactly.
This season should have just been X-Men vs Bastion and the sentinel. But they want to throw in so much material like Magneto’s story it’s become a mess.
They built up Bastion for 90% of the season and then after 1 episode in which he’s revealed it’s now about Magneto destroying the world and The X-Men trying to stop him