To battle the Gigas in Death Stranding 2, players must increase their connection with the Ghost Hunter to nearly rank 5. This involves completing various missions from specific NPCs, including Heartman's Lab and the Pioneer, while managing real-time delays for mission availability. The Ghost Hunter's unique mechanic means that his deliverable lost cargo does not respawn, necessitating assignments from other characters to progress. As players rank up, new sub-orders become available to further facilitate connection.
To even have the opportunity to battle the BT Gigas, you must first increase your connection with the Ghost Hunter near the maximum level--i.e. as close as you can get to rank 5.
The Ghost Hunter has a rather different mechanic, at least when compared to other NPCs. His deliverable lost cargo doesn't respawn, requiring you to tackle assignments from other characters.
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