Pearl expresses her incredulity over the fact that they managed to bubble something as big as the Cluster, and Steven simply replies that they had a little help, as the Cluster is seen peacefully laying deep in the Earth inside of Steven's bubble.
They managed to bubble something as big as the Cluster. This is what Pearl expresses her incredulity over the fact. They had a little help. The Cluster is seen peacefully laying deep in the Earth inside of Steven's bubble. Steven simply replies this.