List of items should be look at in the near future

Hello guys, here we will discuss about a list of items that should be looked at that became irrelevent in the series, and maybe some champion. right now it is 11:08 PM, i am tired so here a small list that should be look at

Items:

Athene Unholy Grail

Manamune/muramana

ohmwrecker

Please comment so i can add your if needed to do so