- Both Micren and Irving are stated to be Luna's pets in The Guardian Beasts(Chapter 4).
- Going to Reservoir M after defeating Aidan Flamberge will result in a unique message:
Foolishly foolish mortal… you wish to battle me now? Begone from this place!This place is crumbling apart! Have you no idea of the danger there is in staying in it? Even I, the powerful Micren, will flee from this place once all my allies are not here. Leave at once, foolish mortal!
- Obtaining the Squid Medal by defeating Micren without taking damage is a reference to the Alien Medal from Cave Story.
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