I would not touch effect list.As said above I would check the packets related with showing the icons.We have done something like that on the C4 branch.
i am tring make buff and song be 20+4 but all i found is on effelist but when i eddit it always have error
game\config\Character.ini# Maximum number of buffs and songs/dances.# Remember that Divine Inspiration will give players 4 additional buff slots on top of the number specified in "maxbuffamount".# Default: 20, 12MaxBuffAmount = 20MaxDanceAmount = 4