Am stuck in the drenchfort, can't seem to proceed?

Answer from: lucid_fwh
In the middle of that room in which there is the spere there is a square podium that looks almost like nothing on top its actually a stand on release lever to lower the gate you'll need the exploding corruption bomb to throw attach on the sphere that you'll push up to the gate while your standing on the release platform gate will come down toss your sticky corruption bomb onto the sphere and then blow it up with "fury" (hand-gun)