Talk:Ambush! Whitebeard/@comment-10336-20170329041640/@comment-30827145-20170329173210

I used my books on GPU and didn't get any skill up from them ^^

I'm having really hard time with usopps. Now, my GPU is maxed but it took me around 40+ books during skullup events. And I have SW Usopp and farmed his books. With 35 SB (I was lucky on drops), I only got 5 skill ups :-(