As featured in 2011 superpowered vigilante film Cross...
A magical 'Celtic Cross', currently in the possession of former army ranger Callan McCrae, The Cross Of The Isles is a hereditary magical item passed down through the generations of a bloodline descended from the gods of old.
Once it has formed a bond with a new owner (which takes about a day, once the previous owner has surrendered it, and provided the new owner is of the correct bloodline), it grants them both protection and power.
Under the Guardians rules system (I've sort of kludged together something here that combines the actual game rules with my more free-form approach to old school magic item creation for fantasy games) the Cross counts as a magical gadget, that must be worn to activate.
It has a pool of 12 Energy Points that can only be used with its inherent powers, which are:
- Force Field (S1, one EP/10 minutes duration) - provides DR10 and +4AC (as well as Life Support protection. This personal energy field is invisible until struck, when a green flash appears at the point of impact. For a cost of 2EP/10 minutes (and surrendering the Life Support ability) the field can be flattened into a 10ft wide shield (with the Cross at its centre), protecting all those behind it. In this latter form, the shield takes on a green shimmer.
- Force Bolt (RA1), bolt of green energy, range 100ft, 4d6 damage (directed from wearer's hand). For the expenditure of 6EP may fire a single, super bolt of energy from the Cross itself, capable of inflicting 24d6 damage.