Here's what I can offer based on general knowledge:
Cost: Free (requires original game purchase).
The "Bundles of Bravery" update focuses on inventory management and gameplay challenges:
Searching for "Minecraft -NSP--Update 1.21.2-.rar" primarily brings up results related to the Bundles of Bravery update (version 1.21.2) released in late 2024. However, you should exercise extreme caution