And togheter, holding hands, he and Annabeth fell into the endless darkness
Menshikov wants to see the old gold swallowed by Apophis. He wants to see the world plunged into darkness and chaos. He is quite insane. "Oh." [great response, I know. But what do you say to a story like that?]
Which meant his only assets were one whiny imprisoned goddess, one sort-of-girlfriend with a dagger, and Leo, who apparently thought he could defeat the armies of darkness with breath mints.