The Catalyst is used to increase the effect of various other items using combination. It can be created by combining honey and bitterbugs or obtained from the granny, selling next to the guild.
 How to Make
Honey + Bitterbug
- Immunizer ~ Catalyst + Dragon Toadstool
- Power Juice ~ Catalyst + Rare Steak
- Demondrug ~ Catalyst + Power Seed
- Armorskin ~ Catalyst + Armor Seed