"The Legionnaire that scoffs at a lasgun has not charged across an open field against a hundred of them."
— Maor the Scarred, Siege-Champion of the Scargivers

One Lasgun doesn't do diddly. But fifty Lasguns? That's a ♥♥♥♥♥♥♥♥ of diddly.
Nice 2+ Save. Now do it 50 more times.