SPOILER!!!!
Alon have stealth sex kink :)).
Both time in the dark.
And Alon don't just move in the shadow, but light as well. Alon's ember affects heavily by his master, first it can phase through wall, be here and there (which is Mr.Rat's ember), then it also slow and speed up times (which is Mr.Rat's Shelter technique) and lastly the ability to fly in the light (which is when Mr.Rat use the re-pounch from being in the earth combined with avian mana to speed away like a missle).