What is the best way to farm Crystal Marrow in Genshin Impact?

Crystal Marrow is a valuable resource in Genshin Impact, primarily used for character ascension, particularly for characters like Sayu and Kujou Sara. It is found exclusively in the Inazuma region, specifically on Yashiori Island and Tatarasuna. Farming Crystal Marrow efficiently requires a good understanding of its locations, respawn mechanics, and the best strategies to collect it quickly.

To begin with, Crystal Marrow is a glowing blue crystal that grows on the bones of the giant serpent, Orobashi, which is scattered across Yashiori Island. These crystals are usually found in clusters, and each cluster yields one to two Crystal Marrow. The respawn time for Crystal Marrow is 48 hours, meaning you can revisit the same locations every two days to collect more. This makes it essential to mark the locations on your map to streamline your farming route.

The first step in farming Crystal Marrow is to unlock the Inazuma region. This requires completing the Archon Quest "Chapter II: Act I - The Immovable God and the Eternal Euthymia," which becomes available after reaching Adventure Rank 30 and completing the previous Archon Quests. Once Inazuma is accessible, head to Yashiori Island, where the majority of Crystal Marrow can be found. Tatarasuna also has a few clusters, but Yashiori Island is the primary farming location.

When farming Crystal Marrow, it is highly recommended to use a character with a fast climbing speed or a character like Sayu, who has a passive talent that reduces stamina consumption while sprinting. This will help you traverse the terrain more efficiently. Additionally, using characters with abilities that can reveal nearby resources, such as Qiqi or Klee, can be beneficial, though not necessary.

A good farming route starts at the Statue of the Seven on Yashiori Island. From there, head northwest towards the Serpent's Head, where you will find several clusters of Crystal Marrow. Continue along the coastline, checking the bones of Orobashi for more clusters. Make sure to explore the caves and cliffsides, as some Crystal Marrow can be hidden in less obvious locations. After collecting all the Crystal Marrow on Yashiori Island, you can teleport to Tatarasuna and check the few clusters available there.

One common mistake players make is not marking the locations of Crystal Marrow on their map. This can lead to wasted time trying to remember where each cluster is located. Using the in-game map markers or an external map tool can save a lot of time and effort. Another mistake is not checking the respawn timer. Since Crystal Marrow respawns every 48 hours, it is important to keep track of when you last collected it to maximize efficiency.

For advanced players, optimizing your farming route can save even more time. This involves planning a path that minimizes backtracking and ensures you cover all possible locations in the shortest amount of time. Using characters with movement speed buffs, such as Kaeya or Rosaria, can also help you move faster between clusters. Additionally, using the NRE (Nutrition Ready-to-Eat) gadget can help you restore stamina quickly, allowing you to climb and sprint more frequently.

In terms of team composition, while there are no specific characters required for farming Crystal Marrow, having a team that can handle combat efficiently is important. Yashiori Island is home to several enemies, including Kairagi and Nobushi, who can interrupt your farming. Characters like Zhongli, who can provide shields, or DPS characters like Hu Tao or Ganyu, can help you deal with these enemies quickly.

Artifacts and weapons are not directly related to farming Crystal Marrow, but having a well-built team can make the process smoother. For example, equipping your characters with artifacts that boost their energy recharge or elemental mastery can help you deal with enemies more effectively. Weapons that increase attack power or provide elemental bonuses can also be useful.

In conclusion, farming Crystal Marrow in Genshin Impact requires a combination of efficient route planning, understanding respawn mechanics, and having a well-prepared team. By following the steps outlined above, you can maximize your Crystal Marrow collection and ensure you have enough for character ascension and other crafting needs. Remember to mark your map, keep track of respawn times, and optimize your farming route to make the process as smooth as possible.