please, PLEASE, PLEEEEASE up the number of Duel/Brawl challenges!

Playing talentless, gear-heavy 3-hit-kill gankers just to earn enough XP to level up my alts is driving me insane.
Sure, you intended the big open game modes to be the main game modes, but there's a large contingency of players who consider the technical aspects of Duel/Brawl to be the MAIN game mode. Many traditional platform fighters who rely on deft gameplay and talent-based bouts have no intention of wading through "GOTTA GO FAST" PKs, Hammer-heavy 3v1 Shugoki battles, and TERAFLIGA TERAFLIGA TERAFLIGA 2v1s.
Wading through the sludge of open game modes is a nightmare.

Just throw a couple in each time. One even. I used to complete all challenges for the XP but I can't take it anymore.