Reaching a certain current level can confer various bonuses to the character. For information on experience costs and experience loss on death based on level, see here.
Training EXP Boost
Starting at level 100 there is a bonus to the skill training experience received (this does not affect the amount of training points received).
|Level||Training Experience Bonus|
Shine of Eweca is a passive skill which is automatically ranked based on your current level. It also gains some bonus from your total level, so check its page for more details.