There are many characters in the Honkai Impact Rail game, among which "Topa & Accountant" are five-star auxiliary characters. The skills of this character are very good. Upgrading requires certain materials. Some players want to know what specific materials are needed. Next, the editor will give you a detailed introduction.
Advance to level 20: Iron Guard Buckle*5, Credit Points*4000
Advance to level 30: Iron Guard Buckle*10, Credit Points*8000
Advancement to level 40: Superheated Steel Blade*3, Iron Guard Emblem*6, Credit Points*16,000
Advancement to level 50: Superheated Steel Blade*7, Iron Guard Emblem*9, Credit Points*40,000
Advancement to level 60: Superheated Steel Blade*20, Iron Guard Medal*6, Credit Points*80,000
Advancement to level 70: Superheated Steel Blade*35, Iron Guard Medal*9, Credit Points*160,000
1. Obtain Stasis Shadow (new material): Superheated Steel Blade (new material)
2. Silvermane Iron Guard, Wanderer, Everwinter Shadow, Burning Shadow drop: Iron Guard Buckle, Iron Guard Emblem, Iron Guard Medal
