Increased Maximum Stamina
"Mines are energy-rich objects for your portable printer to cope with and waste heat must be vented before the next can be started. If I upgrade the cooling systems, you won't have to wait as long for the next mine."
Increased Maximum Stamina.
Perks can be leveled up by the technician located in the Hunter hub. In reach the next level, one must complete a relevant task (shown when looking at the power in the upgrade booth) and gain a sufficient amount of blood.
|1||+8.7%||N/A||Requires character level 5|