Releasing The Phoenix
Blowing on the horn here will release the phoenix from the jet of lava, resulting in two new platforms for you to jump to. Jump to the right platform to the left, and from there to the balcony with the broken ladder beneath it.
Inside the small room here, flip the switch to raise a platform nearby, then climb the side of it to reach the ceiling of the room. Slash both of the chains here to open the doors below you, then drop down and flip the switch again to lower the platform. Move the pillar that you unlocked onto the platform, but try to position it so that, if you flip the switch again, it’ll jam the works and prevent the platform from fully moving up. If you can do this, the platform will move up around halfway, allowing you to jump up to it, then pull the pillar onto it, allowing the upward motion to be completed. Put the pillar near the gate, then jump onto it and destroy the chain above it to open it.
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Rotate the lever nearby to raise the platforms on the balcony below. When they’re locked into place, move into the nearby room and start rotating the gate to open the passage leading on. (There’s a hidden red orb chest on the right side of the room, if you maneuver the gate to that position.)
After moving through the door, a shadowy figure will assault you. He can be difficult to kill, but if you’ve upgraded your Athena’s Blades to level four, then activating Rage of the Titans and holding down the square button should get you an O-prompt relatively quickly. Feel free to use all of your magic bar taking the soldier down. You’re going to get it all back shortly, so if you want to get your hit meter up a bit, use up all of your mana on Cronos’ Rage.
Boss Fight: Scylla
We’re not sure precisely what mythological beast this animal is supposed to be, so for the sake of classification we’ll go with the Scylla. After the cutscene with the soldier, start tapping buttons to call out to the gods. The scylla will grab you and start to choke the life out of you. After another lengthy cutscene, you’ll get a Rage of the Titans upgrade and will earn all of your health and mana back when you activate it to break out of the Scylla’s grip.
Luckily, the Scylla is pretty easy, even if it does look intimidating. Her attacks don’t deal much damage, even if they are hard to avoid, and she’ll drop health for you a few times during the fight.
Phase One
You need to attack the scab on the beast’s head if you want to deal any real damage to it. But how to get there? Well, you should start by unloading on the tentacle on the left side of your screen; the one that covers the pressure plate that controls the air here. If you use Rampage of the Furies with a fully-upgraded Athena’s Blades, you should be able to cause the tentacle to rise up, revealing the pressure plate, with just a few volleys. With that done, pick up the body of the soldier here and place it on the plate to cause an updraft in the middle of the arena.
With the updraft active, double jump and glide up to the Scylla’s face and deal some damage to it! Cyclone of Chaos or Cronos’ Rage are good choices for attacking it here. You’ll probably have to jump up a couple of times to deal enough damage to it; you’ll know you’ve annoyed it when it rams its arm into the middle of the arena.
Video Walk-through
When the arm is planted here, you have to move to the side facing the screen and jump up onto the handholds. Climb up the pole that the arm has made itself into and start slashing upwards at the stony protrusion on it. After destroying the protrusion, you’ll get an O-prompt allowing you to destroy the creature’s arm.
With one arm out of the way, you have to repeat the process for the second arm. Slash the left tentacle on the ground to raise it, place the body on the pressure plate, jump and attack the head, and wait for the right arm to smash into a wall. You need to get underneath it near where it hit the wall, jump up to grab onto the handholds that are hanging down, scootch your way over to the middle of the arm and smash the protrusion there and slice the end of that arm off.
Phase Two
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At this point, you’ve already won; the Scylla just doesn’t know it yet. Without its tentacle spikes to stabilize it, it’s going to slip off the platform when you attack the tentacles at the base of the two pillars here, so do so. Activate Rage of the Titans if you need to, but quickly attack one of the tentacles until you see the beast slip backwards a bit. Move to the other tentacle at this point and attack it as well until the Scylla is just barely hanging on. You should see a switch in front of its face; pull the switch to extend the bridge and kill the monster.
With that done, cross the bridge, grab the red orb chests behind the Phoenix, then mount it with the O-prompt and some button minigames. It will take you off to...
