The guards have Polearm-12; they’re doing telegraphic thrusts at your torso, which lifts them to skill-16 but gives you +2 to defend.
You can only Block once per turn, so you’ll need to Dodge at least one if both are on target.
@discbot roll 3d6 vs 16 to hit from guard #1
@discbot roll 3d6 vs 16 to hit from guard #2