The cursed plot armor (fanmade concept)

Description
This cursed artifact is very powerful, it grants immortality (at some extent) but there are 2 problems

You can't take it off.

it has a 100% chance to reflect all of the damage effects to a random loved one, if you don't have any loved one, any attack will deal infinite damage to you.

It's also invisible for other people

It does give you some good thing like an extra 20 to charisma and an ability

Generic flashback ability
This ability can only be used if the wielder is knockedout or knockeddown, then if they use this ability they will have 6 D20's to their damage (3 weeks), 100% chance to hit (2 weeks), revive any teammates and a pulse of energy that pushes away any enemies but it comes to a cost, 2 of their loved ones die, after the effects are gone the user loses 75% of their HP, only have 1 D4 (to all of their weapons and it lasts 2 weeks), becomes very slow (lasting 2 weeks) and has to eat human flesh (lasting 2 weeks).