Rubber back story explained -so rubber is a kid that was adopted by the saber expert when he was left alone in the cold from the first person that rolled a rubber he kept stored until rubber was 6 and knewd that rubber was a mid fruit then rubber went back to the place he was first born the gacha left alone in the cold for half a year until the saber expert noticed that rubber was there at the gacha first when the saber expert come out alot of people tried to attack him at first but they were all below level 200 and had mid fruits and then rubber was adopted for a year and the reason why rubber is sus is the way saber expert acts towards the island empress but after a year. The first light user camed and killed saber expert then rubber camed to sky island as a eight year old kid with alot of potential fun fact that's how he unlocked gear 2 to prove that he's worthy to be rumbles friend by killing the guys that doesn't have rumble fruit then he meets rumble copys the stuff shanks said to island empress that kind of it but they couldn't keep rubber there forever till this day rubber stays snd live with the island empress the end-