Borderlands 4’s Bio-Bulkhead is one of the first bosses you fight in the game and the grappling hook is fundamental to get to the boss. Unlike anything you have faced so far in the game, Bio-Bulkhead ...

Marc Santos is a Guides Staff Writer from the Philippines. He's a seasoned writer with over four years of industry experience, and he is an enjoyer of all things difficult in gaming. If Marc's not ...