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Some technologies are much stronger than others
Mainly, the helmet and shield upgrades are way stronger than e.g. shock arrows (negated if the opponents have a shield) or saw.
Suggestions: increase the tech level cap so all of them can be unlocked, or make the others techs stronger on par with helm/shield etc.
Customer support service by UserEcho
nope, depends on what are you doing. Most of the time I buy the arrows, and some times I buy the saw.