The S.I.D. D.C. is a name of the suggestion. The weapon itself is called the Refractor, and it is a bomb.
This bomb is a devious little fritter. Please read the way the bomb's attack progresses below:
1. You equip the bomb.
2. You charge it. The charge finishes.
3. You put it down.
4. The white ring aura starts spreading to the outer white ring.
5. The white ring aura touches the outer ring. It blows up.