We are currently focusing on updates that mainly benefit the free users

1. Potion of Experience that grants at least 50% of a level's exp requirement now drops from all monsters in Porta Inferno
2. Potion of Honor that grants 1,000,000 Honor each now drops from all regular monsters in Forgotten Temple B1F
3. The exp requirement has been reduced A LOT to allow easily leveling up even without any experience boosters
4. The event drops' drop rates from Santa's Minions have been increased
5. The free premium service now grants a 200% experience boost as well