The Phantom Ruby's True Power (Patreon)

Infinite: Behold, the Phantom Ruby's true power!

Fox: I c-can't move!

Bear: My feet feel weird! Like they're growing!

Bird: I can't stop wiggling my toes!

Infinite makes quick work of these rookies' ticklish feet, watching in delight as they float helplessly, laughing.
 

Thanks to DA's ultramantickler for this amazing pic and story.