Corrosive Bolt

You create a little ball of acid to strike at your foe attempting to destroy their equipment. Roll for a ranged spell attack, it does 1d8 acid damage on hit and target does dexterity saving throw. On a failed save target gets another 1d6 acid damage and one piece of their equipment is melted away according to the table below

1d6
1 You missed any part of equipment just add 1d6 acid damage
2 Helmet (if there is no head piece the target gets disadvantage till the end of their next turn on wisdom saving throws and checks)
3 Arm (if there is no arm piece the target gets disadvantage till the end of their next turn on strength saving throws and checks)
4 Leggings (if there is no leg piece the target gets disadvantage till the end of their next turn on dexterity saving throws and checks)
5 Weapon (if the target has no weapon then it hits an arm)
6 Torso (the target losses 2 ac till the end of a combat, if this was already applied then the target gets an additional 1d6 acid damage, this also applies if the
target has natural armor)