Looking to upgrade budget £1000

[slider478]

Hi
looking to upgrade have £1000 to spend
current parts I have
9700k
noctua nh-d15
rog Maximus XI hero
16gb ddr
7800xt hellhound
hyte y40 case
Rog strix 850w gold
2x1tb m.2 drives WD blues

Would like to keep the case,psu and GPU
any recommendations?

i play games mainly d4,wow and space marines
Thank you

 

[slider478]

It was more of a I fancy an upgrade of parts
My biggest gripe is wow most times my fps sits in the 40/50 range and dropping my gps sits at around 40% and 1 cpu core is maxed out and rest at 30%ish so would like to jump the fps