Verglas Curve Catalyst
The Verglas Curve Catalyst adds the perk Shiver Quiver which gives this weapon faster draw speed for a short period of time when freezing targets. Once the Verglas Curve exotic bow is unlocked there is a Catalyst quest ready to be picked up from Banshee in the Tower.
You must have the Verglas Curve exotic unlocked.
A pro will play on your account to complete this service.