Web Bolts

Magical bolts provide +1 attack & damage. If hits,
webs explode. Requires a surface to adhere to
(ceiling or floor, etc). Fills 5ft cube. Webs: difficult terrain & lightly obscure. Creatures starting in webs or enter them: DC 13 DEX saving throw. Failed save: Restrained. A creature restrained can use action: Strength check to break free. Webs are flammable.
If exposed to fire, burns away in 1 round, dealing
2d4 fire damage to all starting turn or entering the
fire. ATK Nat 1: Webs explode on you