Don't Starve, my items can be upgraded

【钉子发射器lv.0:100%（有效射程2米，最大射程6米；可升级）】→【必中钉枪lv.1:……（自带准心；有效射程3米，最大射程9米）】
As long as you keep upgrading, the range will continue to increase, there is no limit.
What will an ordinary nail launcher look like if it continues to be upgraded?
What will happen if an ordinary nail is shot at the speed of light?
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In the world of famine, danger comes not only from food shortages, but also from evil spirits, wild beasts, and even humans themselves.
But it’s not a big problem because Yang Chen has awakened the ability to upgrade items.

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