Birthright for 4th Edition
Crossbow of the Murderist
+2 Repeating Crossbow
Enhancement: Attack rolls and damage rolls.
Critical: +2d6 poison damage or 2d10 poison damage vs. bloodied enemies.
Property: Melee weapon powers with the shadow keyword become ranged weapon powers when used with this repeating crossbow.
Power (At-will): Minor Action. You lose a hit point and gain a crossbow bolt. Crossbow bolts created with this power deal necrotic and poison damage.
Power (Daily): Immediate Interrupt. Trigger: You surprise an enemy with an attack.
Effect: The target takes necrotic and poison damage equal to your blooded value.
If the attack hits, the target also takes ongoing 5 poison damage and is silenced (save ends both). Aftereffect: You take necrotic damage equal to 5 + your level, this damage cannot be reduced in any way.