Every world starts dormant and broken. Combine Terra, Conduit and Tide at the same site, within three seconds of each other, to transform it. Which powers you combine decides what it becomes, and the world's Chronicle records who did it.
Wake the World Guardian and it teaches Lumen, opening the Ashen Reach to the north. Rekindle the Aether Heart there with three powers at once.
Worlds keep living: blight creeps back over what you healed. Channel at a blighted site to tend it.
Press T for a Co-op Ghost that answers your power with a complementary one.
Paused
The world keeps living while you're paused: your friends, the ghost and the blight carry on.