In version 4.8 of "Genshin Impact", the mission of going to the Block Mine to find equipment is part of the "Toward the Lighthouse or the Distance" limited-time mission. Here are the general steps to complete this part of the task:
1. Go to the middle island of the Broken Sea first.
2. Follow the prompts and jump to the bottom.
3. Find the TNT explosive in the corner of the stone wall and use the magic line to fly over.
4. Climb up the ladder and see where the explosives are.
5. Go to the target point and interact three times to defeat the slime and get the weapon.
The above is the entire guide for completing the mission of going to the Block Mine to find equipment in "Genshin Impact" 4.8. For more game guides, please click on the source code website.