The Solar Rails. The Tenno, we all depend on the Heart to keep the wall open to the other side. If the Heart stops, everything goes with it.


The Heart of Deimos, or simply the Heart, is the source of the Void powers and energy throughout the Sol System, connecting the Void to the outer world.


It's what makes you special, you know that, right? All thanks to my father. It pumps the arteries of 'the here' and the Void. The Entrati family maintained it for an age. But it's breaking down, and the only idiot that knows how to fix it... the man I used to call my husband.

Mother in response to The Heart?

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