There are so many questions..
What is he?
What does he look like? (Apart from a beard, pockmarked face and being huge)
Is he affected by the void at all?
Is he connected with the Darkin at all?
How is he immortal?
How strong is he current day Runeterra?
What are his plans?
Does he know about Zilean?
Why does he wear a mask? Is that even a mask? WHY DO HIS EYES GLOW BLUE?
Will accept any answer that doesn't involve trolls.