Starting on 23rd February, after maintenance, and lasting until 9th March, before maintenance, the Buff Enhancement event shall be active.
Monsters across the continent shall drop Buff Coupons, collect 100 of these and take them to Buff Event NPC Elaine in Rondo. She shall exchange them for either a new buff, or level up one of your existing event buffs.
Each buff starts at 1% and can be increased to a maximum of 20%, the possible buffs are as follows:
The buffs at level 1 have a 4 hour duration. Each time you level it up, you shall gain an additional 30 minutes duration.