Hopefully Nexon catches this quick.

Aka the damage has been done and has been spread to other accounts and throughout the eonomies. I just love waking up to this s'hit

I'm going through the list now, Unidentified Love Letters too, so if those become cheap/plentiful again, this exploit is presumably why.
Mesoranger Android coupons why can't those be a quest reward from Omega Sector. They look so cool.
All the different types of Miracle Cube fragments, those are potentially problematic.
NEBULITE BOXES. DAMN IT.
Additional dungeon entry tickets (PB, Zakum, HT, VL, Empress), MMBs, Trait Boost potions, character slot expansion coupons.