Dazzling Ray is a weapon action granted by 
Fabricated Arbalest.
Description
Unleash a beam of brilliant light that Blinds all creatures in its path.
Until the spell ends, you can recast the spell. Casting it again may possibly Burn you each time you recast it.
On Save: Targets still take half damage.
Properties
- Damage
2d10 (2~20) 
Radiant damage - Details
Range: 18 m / 60 ft
Duration: 10 turns
Recharge: Short rest
Condition: Blinded
Duration: 10 turns
- Ranged attacks and spells have a range of 3 m / 10 ft and Attack Rolls suffer
Disadvantage. - Attack Rolls against Blinded creatures have
Advantage.
How to learn
Granted by the weapons:
