Also there is good news for you! if you really like HxH,...then you will also enjoy Yu yu hashoka too!
Both story were made by same author and also character almost simlar too.
But YYH iwas made 1990 through but still you should give it a try!
Of course chimera arc!!!! IT WAS THE most plot twisting anime or arc ever I seen.......no anime can even like this...
It was a slow start...then as it progressed....the whole got awesome,really a masterpiece work!!what do you think?
yorknew arc went great too.Well now have read the manga yet?