AoL formula
From WeAreDragons
AoL Formula:
Prevents item loss caused by dying.
However, Amulet of Loss, Forgiven Amulet and Angel Ring do not protect against experience and skill loss, which full blessings do.
That amulets break after certain amount of charges
There is 3 items what prevent loss item:
Amulet of Loss, Forgiven Amulet, Angel Amulet