DISCLAIMER: Always keep empty space in your inventory at all times, especially when you're about to receive an item, and make sure that you are not overweight. The ExperienceRO team will not be held responsible for any losses due to users' own actions. It is players' responsibility to read the Rules and Regulations and the Warnings.
Berzebub Card reduces casting time by 30%. 4 Berzebub Cards should completely reduce casting time (not to be confused with after-cast delay which is from Kiel D-01 Card).