Your chip was inserted into an experimental submarine to make it automated. We discovered it and Shadowmaru made his way inside. When he discovered that's where you were, he-

[A click of his voxcoder]

He was angry. We all were. But he was furious. He wanted to stay with you. [Its said quietly. Gently.] He was going to go down with the submarine entirely when it began to fail because he didn't want you to be alone.

[A moment of quiet]

You talked him out of it.