Don't get me wrong I love this game but the system in it, in my opinion, needs to be changed. The biggest sting to me is Runes. If you have level 4 runes that you spend a week earning it can literally be destroyed by the RNG of the system. Whoever has the best rng wins every fight.
"But you can get a book that gives you better chances"
A book to get better chances, Wow it doesn't guarantee crap I'll tell you that.
I was given 250,000 gralats in delteria to level up runes the best runes I ended up with was Level 3 and yes I used books. I went up to upgrading to a level 5 but it broke.
(sandz gave me the money to help test out the system before it went into beta)
My suggestion- Get a book that guarantees runes to not break when being upgraded.
RNG- Random Number Generator