He will not attack you! He will heal your soul if you add him to your collection!
Marco possessed the Bird Bird Fruit Mode; Phoenix, a mythical Zoan which allow him to transform into a massive phoenix, which has the ability to heal others, and himself, and gave himself flight augmentation, but with no powers of attack.
Many fear him not for his combat capabilities, but for his healing capabilities.
Is one of our favourites and believe us you must have him in your collection!