The T-Rex Fruit is a Mythical Beast-type Blox Fruit, that costs  2,700,000 or  2,350 from the Blox Fruit Dealer.

The Blox Fruit allows the user to transform into a Tyrannosaurus Rex (T-Rex). Upon transforming you gain the ability to leave Prey Marks, dealing tick damage proportional to the user's distance from the mark.

This Blox Fruit has an incredibly high demand due to its grinding, PvP potential, and the fact that this fruit is brand new. It is somewhat recommended for First and early Second Sea players because of its M1s, but it may be difficult to meet the required mastery levels.