I actually wouldn't be surprised if Bleach reached near Medaka's level of hax'ness, just look at the signs.
Rukia with the ability to freeze at temperatures at Absolute Zero. (Feat deemed greater than any other feat in the HST)
Majority of the Stern Ritter that have been shown so far have been undoubtedly the toughest and most powerful enemies to appear in the series thus far.
Mask De Masculine Cheer Empowerment and small city level DC
Bambietta having town+ lvl. in base and explosions that ignore conventional durability.
Lloyd/Rloyd copying abilitie
As Nodt's fear inducement
BG9 and Cang Du both were defeated in base by Captains that needed their Bankai's in order to win.
Bazz B matching Yamamoto's flames.
And now a kid with the ability to create anything he imagines into reality.