[An entity strong enough to swallow even Kronos in darkness? To rip gods from their worlds? It's a thought that unsettles Zeus to his core.]

That is no man. That is a god-- my brother. If he is truly behind this, then it bodes well for no one. [He heaves a sigh, and though the sky is rumbling with less turmoil, his anger is far from stamped out.] Unfortunately, I have no more knowledge of an Army of Decay than you.

Where is this place and how can I get to Hades?

[He can't exactly teleport there without knowing where it is, after all.]