Since 1.16.210, enchanted bows does not render in the nether.
You can simply go to the nether with a normal bow and an enchanted one. When held, the normal one renders normally in the player hand but the enchanted one doesn't. See the attached screenshots.
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[Mod] EVGENSYPERPRO
The dangers16
This issue has already been reported. Duplicate MCPE-116880.
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