The Quest to Sutro Tower was a quest undertaken by Apollo, Meg McCaffrey, and Reyna Ramírez-Arellano in order to get the soundless god to willingly leave the world to use his last breath to summon divine help.
After reading Tyson’s back, it is determined that in order to get divine help to defend the camp . Frank Zhang uses emergency power to send Apollo, Reyna, and Meg to Sutro Tower to find the soundless god.
The three head out the following morning and are attacked by a conspiracy of Ravens. When they reach the second platform and find the storage container he is being held in, Apollo realizes the soundless god is Harpocrates, a minor pletomic god he used to bully.
Reyna lends him her strength and he tears through the chains locking the container and come face to face with Harpocrates. The soundless god fills Apollo’s head with images of his anguish, but they counteract it by showing him there own happy memories and how Apollo has changed since becoming mortal. Apollo then notices a jar in his lap and realizes it is The Oracle of Cumae. They convince Harpocrates to willingly leave the world and they collect his breath in the jar when the oracle passes on as well.