What is the upgrade material of Genshin Impact Harpoon?

Genshin Impact harpoon upgrade materials are as follows:

Level 20 Breakthrough: Evil Commandant in Ancient and Modern Drama * 3+ Chaos Organ * 3+ Floating Core * 2.

Level 40 breakthrough: ancient and modern drama tiger bite * 3+ chaotic organ * 12+ floating core * 8.

Breakthrough of level 50: the jaws of ancient and modern dramatic painting * 6+ chaotic hub * 6+ floating deep core * 6.

Level 60 breakthrough: corner of ancient and modern drama * 3+ chaos hub * 12+ floating deep core * 9.

Breakthrough of Level 70: Ancient and Modern Drama * 6+ Chaos True Eye * 9+ Floating Crystal Nucleus * 6.

Harpoon acquisition method

First of all, the harpoon was exchanged for 6 Lei Mingxian +20 Golden Red False Dragon +20 Yellow False Dragon at the Mi Wife Fishing Fair. Mi Wife Fishing Association is located in Mi Wife-White Fox Wild Transport Point. There is an NPC on the beach at the lower left of the stone. After talking with it, we can communicate.

Unlocking conditions of fishing play: start the dust-singing pot system (need to upgrade to level 30) to complete the fish explosion task.

Lei Mingxian: The fishing spot located at the upper right of Dawu-Tanyusha. It only appears at night and catches fish with insect bait.