Board Thread:Questions and Answers/@comment-2607:FEA8:8760:273:3931:EB6F:E9B5:8E99-20171110002155/@comment-31529160-20171110020726

with regards to your last question, yes a fighter can be lvl 75 but it doesn't necessarily mean all the fighter's abilities are lvl 75. Such happens if you use fighter duplicate xp cards to train your fighter. You want to see Importance/Uses of fighter XP cards to better comprend.

After having reached lvl 75 with a fighter, any further ability training will only increase the ability's damage but the overall rating or level of the fighter will remain unchanged as lvl 75 is the max