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Bro Hammer

Complete any co-op level on Legendary difficulty.

Bro Hammer0
2 guidesOnline/OfflineCooperativeMain StorylineDifficulty Specific
Strategy OneStrategy One672,582
11 Nov 2014 11 Nov 2014
9 1 7
Bro Hammer

To obtain this achievement you must finish any mission with a Co-op partner on Legendary.

I recommend doing the first mission Pillar of Autumn, the key to finishing this one is using Plasma pistol and magnum combo, hit the Elites shield and headshot them with the magnum.

Also make use of ur grenades which are great for taking out groups and instantly killing elites by sticking them or landing next to them (plasma grenade not Frag).

Finishing a mission on legendary with a Co-op partner will also unlock the following:

Halo: The Master Chief CollectionStandard Operating BrocedureThe Standard Operating Brocedure achievement in Halo: The Master Chief Collection worth 13 pointsComplete any co-op level on Normal difficulty.


Halo: The Master Chief CollectionBrovershieldThe Brovershield achievement in Halo: The Master Chief Collection worth 15 pointsComplete any co-op level on Heroic difficulty.
is that HydroAny word if this achievement is buggy? Did Halo 3 campaign on legendary with few friends last night and we beat majority of the game, Still no chevo....
Posted by is that Hydro on 12 Nov 14 at 14:05
Strategy OneThe entire game has been buggy mixed with Achievements having problems, you should get it eventually, try another Campaign Co-op maybe also?
Posted by Strategy One on 12 Nov 14 at 22:38
CanadianWhizKidDo any skulls void this achievement?
Posted by CanadianWhizKid on 16 Nov 14 at 03:16
Strategy OneI believe any skulls that make it easier void it.
Posted by Strategy One on 16 Nov 14 at 03:24
S P 4 C E YThis failed to unlock for me on Halo 2 local co-op last night.
Posted by S P 4 C E Y on 16 Nov 14 at 14:25
Strategy OneHmmmm thats weird.... does it say unlocking at full bar or is it an empty bar?
Posted by Strategy One on 16 Nov 14 at 18:10
viktor181Quicker way to get it is to do arrival on halo 3 as it's just a cutscene :)
Posted by viktor181 on 18 Nov 14 at 10:17