Complex sentence: In "Into Dimension X," it was revealed that due to Dimension X's Time Differential, Leatherhead has aged up considerably, receiving more scars than before, his scales turning grey and dull, and carrying a crystal staff around with him like a cane.
Split into simpler sentences: In "Into Dimension X!" it is revealed that due to Dimension X's Time Differential, Leatherhead has aged up considerably. He has received more scars than before, his scales have turned grey and dull, and he carries a crystal staff around with him like a cane.