lnmateSearch

It's a shame the first 250(s) will be sort of "cheaters" like this, although I don't think you were illegit or broke the ToS in any way Inmatesearch. This just isn't intended or fair exp gain in my books...

Idk why this bothers me as this game has always been sort of a grindfest where the speed of lvling is mostly based on combination of who had the best multipliers, best funds, bunch of time and/or found the best exploits.

Not many players can gain this experience because of class based. So blame the class and the game mechanics. Many hour(s) of grinding plays a factors and all the people you need to be in your party. To achieve maximum experience you must have everything,

this is towards luminous only
1)extra bishop(3),
2) kanna to maximize spawn rate
3) EXP accumulative potion
4) MPE yellow exp pot
5) Weapon Attack speed
6) 5 other players on your map (hard to keep people on)
7) battle mage (damage + attack speed)
8) Zero Character card buff Exp%
9) mercedes link skill exp %
10) holy symbol
11) 3 pet with auto gem buff (so you don't need to cast the needed buff and ignore the other buffs)
12) 1 phantom to cast with auto gem buff with speed infusion
13) green mpe weapon attack speed buff.
14) Pendant of the spirit - Thanks @Tigeon for reminding me =P
Also as for luminous, you must stand in a specific spot to hit nearly full map. If you get knock back you lose experience(s).
Mihile link buff skill which give stance makes a big differences.