Duergar

Str 14 (+2) Duergar Resilience
Dex 11 (+0) Sunlight sensitivity
Con 14 (+2) Invisibility
Int 11 (+0) Enlarge
Wis 10 (+0) prof bonus = +2
Cha 9 (-1)
Warpick = +4 to hit, 1d8+2
2d8 if enlarged. AC
Javelin = +4 to hit, 1d6+2 (or 2d6)