concentration, 5 minutes/mana
As an action, a weapon you touch seeps acid. For the duration, the weapon deals an extra 1d4 acid damage.
Alternatively, you can touch a quiver containing arrows or bolts, granting the ammunition pulled from it the same effect. The spell’s magic ends on a piece of ammunition when it hits or misses.
Augment
You can augment this spell with the following options, expending mana for each option.
You can increase the damage by 1d4 for each additional mana expended.
You can expend 1 additional mana to cause an additional weapon you touch to seep acid.