On my melee fighter, I ended FoV with enough money to buy whatever merchant gear I wanted (battle tower = "infinite money" yay) but decided the Viper Set would be better overall simply because I had limited Malachite gems (stupid rarity!)
But all is well because here are my end stats

[img]
http://cloud.steampowered.com/ugc/613845539702464086/D830EC7DFD69A2D11BCA8590372DB667EDBF7C27/[/img]
since this thread is about strongest equipment i assume that includes weapons, jewelry, and such so here's some of the cool stuff i got
2 unique jewelry
3 charm + 3 enchant's each
[img]
http://cloud.steampowered.com/ugc/613845539702499293/C968741823EBB17603D9562CC431CDCB0584520E/[/img]
[img]
http://cloud.steampowered.com/ugc/613845539702427253/F70CA85F5DB12CCB5B88D8E892942D96104C646A/[/img]
*edit*
i guess i don't know how to post an image but the links are there