This is something that has come up over the last few raids, both as "well that's the first time anybody told me not to use it" and in the form of people just ignoring facts and trying to be awesome. So here's the deal: I get that Gjallarhorn is awesome. I get that it wrecks Atheon. IF more than a few team members are using it on Atheon. I can't tell if it's hard-core Gally love, lack of experience with the vault (or math), or something else I'm missing entirely. If you hit him with rockets or grenades, he moves. That means that potentially four other players, hopefully hitting for 18-20k *per shot* (with weapons of light and Ice Breaker or Black Hammer) are missing. So sure, you get off a few rockets depending on how good your relic/oracle team is, but you also just cost the team well over 100k in damage from missed critical hits. So put away your pride for a second, think about the team, and try dropping him in one pass instead of with rockets (again), on the third pass. Just a thought. Either way, keep raiding. :-) Edit: Some people are comparing Gally damage to sniper damage as a 1 to 1 comparison. i.e. I can do 30k per shot with Gally, therefor I'm putting out 120k damage with my four rockets which is more than you can with your sniper. Roger that. BUT, you are forgetting that it's not just one sniper missing. Let's say two of your snipers are awesome and never miss even when Atheon is dancing (this is for those of you that seem to think it's silly I can't crit Atheon while he's dancing), the other two guys miss their blackhammer shots...your 30k Gjallarhorn actually just cost us 40k worth of sniping damage. And if you had fired a shot there too instead of that rocket, the total damage for just that one shot would be in the 60k range. Multiply that by any sniper of your choice, and you've just cost the team a one pass kill. Wheeee...