The two circled the area around the river where the previous incident, Xavier, fought against the animal for that.
Tyler and Gerald had trouble finding the footprints of the animal that Xavier thought he was hunting because the animal's footprints disappeared on the river bank.
"Wait, if this animal's leg disappears on this side of the river, there's no mistaking it for sure he's headed to the other side of the river!" Said Tyler, who immediately asked Gerald to make a portal to the river bank on the right across from his place.
And in that second, Gerald immediately opened a portal to the riverbank in front of him. Because the river in front of him is so wide and deep, Tyler asks Gerald to open a portal to the side of the river in front of him.
They both Jump Jump into the portal that Gerald has created. And after arriving at the right bank of the river. Tyler quickly found the footprints of the beast.