How to find every secret boss in Gunvolt 3. MASSIVE SPOILERS AHEAD for the entire series.
Sunrise Palace 2 Bosses
2. Traverse the pit sections with mines until you reach an areas with a Checkpoint, followed immediately by a narrow pit and a single mine moving downwards.
3. Fall into the pit, and a portal should appear.
Second To Last Boss Secrets (Yes, There are Bosses Within Bosses…Multiple)
1) Complete Ballistic Missile mid-stage on Demanding Difficulty to gain the “Azure Striker” Asimov passive pulse.
2) Use the chat option to increase chances of Anthem, and turn on Story Mode+ if disabled beforehand.
2) Go to World Moebius, and make sure to loose all your health before Moebius’s final health segment, and see if Anthem revives you. This can be done faster if you have Zonda’s pulse that decreases your max hp.
3) Get hit by Moebius’s special attack while in Gunvolt Anthem with the above pulse equipped.
extra: regular Asimov pulse works too.
Boss #2
1. Complete Sunrise Palace 1 on Demanding difficulty to unlock the Might Nova image pulse
2. Equip the above passive image pulse.
3. Turn on Story Mode + if you disabled it previously in order to have more dialogue in the upcoming Nova boss.
3. Select “World Moebius” stage, and before/while Moebius uses his “Damnatio Memoriae” special attack, switch to Gunvolt and intentionally get hit by the massive portal attack. You have to switch to Gunvolt for it to work.