Let us upgrade abilities

Playing in the colloseum with abilities at such a low level is awful.

Ability materials are a hurdle for only a very, very short time when you start playing. Except for zetas, which are only for a finishing boost to a character. Every other ability material is so plentiful, just let us use them on these era characters.

Having the abilities (very) slowly unlock as you play was only ever part of this game in the first couple of days or weeks of play. After that near every player would be able to take every character ability straight to the point of needing omegas, at the worst.

This ability level drip feed is not helping us learn the new character. What does ability 3 do? Oh a bonus based on the amount of stealth, but the stealth doesn't come in until level 8, great. How about ability 2? Grant a bonus turn to someone else who has basically the exact same speed as Luke. So in other words, it is a pass Luke's turn button at the start. Awesome game play!

Now I levelled up,  I have to re-learn how to play the battle, because all the buttons are suddenly doing different things.

This is not saving anyone resources. This is just making the new character more annoying.