Hello Guys, I Bring My First Macro For BBot. I Hope You Like It 
500
{Inmortal}
Self.Health%<=50 [jump]
Self.Equip.Ring(3051)
Exit()
Self.Health%<=90
{jump}
Self.UnEquip.Ring(0)
Exit()

500
{Inmortal}
Self.Health%<=50 [jump]
Self.Equip.Ring(3051)
Exit()
Self.Health%<=90
{jump}
Self.UnEquip.Ring(0)
Exit()