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Joining the playable character roster inHonkai: Star Rail’s version 1.6 update, Dr. Ratio is the first 5-star character to be given freely to the players, as a gesture of gratitude for their support and achievements. Considering he is a solidDPS character, particularly in Imaginarywhere the viable options are limited,with only Dan Heng - Imbibitor Lunaebeing the other option, it is worthwhile to level up Dr. Ratio to enhance their rosters, especially for tackling challenging content.
To fully maximize Dr. Ratio’s potential, players will need the same amount of resources required as with every other 5-star character; however, the materials differ from most of them. The character with the mostsimilar resources to Dr. Ratio is Yanqing, as he only has different Weekly Boss materials and Ascension Materials to differ.

Dr. Ratio Materials In Honkai: Star Rail
These are all of the different types of materials required to fully ascend and level Dr. Ratio inHonkai: Star Rail:
Dr. Ratio Ascension Materials In Honkai: Star Rail
Dr. Ratio’s ascending materials are readily available, hence players do not need tounlock any new contentto be able to farm them inHonkai: Star Rail.
20

4,000
-

30
8,000

40
16,000

50
40,000

60
80,000

70
160,000

308000
Suppressing Edict x65
Dr. Ratio Trace Materials In Honkai: Star Rail
While Dr. Ratio’s talent tree is not any different from otherHonkai: Star Rail’sHunt path charactersas far as the node distribution goes, it is still worth separating it based on the difference in their material requirements to upgrade. As such, there are three different categories players need to calculate for:
Dr. Ratio Basic Attack Trace Materials
Players will need to primarily farm the Hunt Material Calyx in Outlying Snow Plains to maximize Dr. Ratio’s Basic Attack.
2

5,000
Arrow of the Beast Hunter x3

3
10,000
Arrow of the Demon Slayer x3
4
20,000
Arrow of the Demon Slayer x5
5
45,000
Arrow of the Starchaser x3
6
Arrow of the Starchaser x8
240,000
Dr. Ratio Skill/Talent/Ultimate Trace Materials
Unlike the Basic Attack, the Skill, Talent and Ultimate max out at level 10, meaning that not only players need to farm the aforementioned Calyx for much more, but they will also need to focus on the newly introduced weekly boss (Echo of War, Seclusion Zone) to farm Past Evils of the Borehole Planet Disaster.
2,500
30,000
Arrow of the Demon Slayer x7
7
8
Arrow of the Starchaser x5
9
Tracks of Destiny x1
10
300,000
Arrow of the Starchaser x14
652,500
Tracks of Destiny x2
Total x2
1,305,000
Tracks of Destiny x4
Total x3
1,957,500
Tracks of Destiny x6
Dr. Ratio Skill Tree Trace Materials
Most of Dr. Ratio’s Skill Traces focus on Crit Rate and ATK%, while he also gains some DEF value by upgrading his skill tree.
Lv 1 Bonus Stat (ATK +4%)
Track of Destiny x1
Lv 80 Bonus Stat (ATK +8%)