>>42477548
No diff quite literally means no difficulty. If it was merely easy for her than he'd have said low-diff. He said no diff, which means it was beyond easy for her.
If you wanna lowball, than we can say that Glimmy merely has farts on par with the top tiers of the verse, while being a "mere" mortal. She doesn't need Alicorn buffs or God powers to be able to fart her way into their realm of power, she just can. And i think that's pretty cool, and it's also sexy because she's my wife.