Question about Progress

Hello everyone i back to this Game.
I have 38 cra, 38 eca and 30 sacrier.

How i can Progress to higher levels? What to do i am in astrub. One person helped me in statis dungs but now i really dont have idea what to do. I feel lost. Please give me advice years ago i was farming lunar dungeon and kelba land. I really wanna exp there again. I should chooise nation? I know chaotic post with bad english but i have hope you can understand. I have 1500 kamas.