Black Leg Memories

Black Leg Memories aka Sanji Lobster Island is a limited time event that can be played 5 times per day on several difficulties: Veteran, Elite and Expert (30 stamina). This even first occurred on global in December 2017.

Drops include lobster meat, which can give give different amounts of booster EXP. On higher difficulties, you have a higher chance of getting better lobsters. The amounts of booster exp they give are as follows: bronze: 33,333 booster EXP, silver: 333,333 booster EXP, and gold: 3,333,333 booster EXP.

Videos: https://www.youtube.com/results?search_query=optc+sanji+lobster