Answer:
Deku here
Yes to both, it can unlock the immaginary mind
Explanation:
Octopuses can change their color of the skin by the blink of an eye. It depends on what kind of surroundings they are in. If in the ocean, then ocean blue, etc..
Achilles enters the battle to avenge the Patroclus;s death. I am pretty sure this is right, because this is what I am studying right now too! :)