Halo Infinite’s campaign mode allows players to unlock a lot of in-game achievements, some of which are quite difficult to accomplish.
However, the hardest of them all is the Headmaster achievement where players will have to complete the game in the LASO mode. LASO entails playing the shooter on Legendary difficulty and equipping all 12 Skulls when booting up the campaign (Legendary All Skulls On aka LASO).
This makes Halo Infinite a significantly more difficult and brutal experience even for the
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