Quote from Mafrans»When i use NbtExplorer and change items they just reset :/
You'll need to save the file in NBTExplorer while the world is not open in Minecraft.
More Minecraft-things: https://sourceblock.net
Guides for command-related features (eventually moving to Source Block): https://github.com/skylinerw/guides
I primarily hang out in the /r/MinecraftCommands discord, where there's a lot of people that help with commands: https://discord.gg/QAFXFtZ
Their corresponding subreddit: https://www.reddit.com/r/MinecraftCommands/