This site helped me get up to 6k base XP.

http://forum.wl.igg.com/viewthread.php?tid=2069...

If you are fire, you get screwed. :(

As fire in a group with two fire, water, and earth I get a max of 4k.

Spoiler:

Level 156 fire
T4
90% of the laws are made because of 10% of the people.