Bardic Inspiration on the second attack, with the Note of Potential only applying to the stalker.Attack1: (1d20+7)[14] or (1d20+7)[24]
Damage (1d8+5)[10]
Attack2: (1d20+7)[10] or (1d20+7)[9]
Damage (1d8+5)[9]
(1d8)[5]
...still have the option to add Precision Attack.Hopefully it is enough.