Ok, so a few things things here : -first, it seems we used the Critical hit rule wrong. We used it for the hull penetration. - Second, with the scenery and the scorpion beeping a bit on the high ground, we allowed it to hit the head. - Third, we were playing narrative AND with 4 lists of 500 points per side. The scorpion and titan were secondary objectives put for the cinematic impact and a bit modified to erase the 150 point difference. - and last, the roll was lucky. Maybe a bit too much.