There are many characters in the Honkai Impact Rail game. Among them, "Topa & Accountant" are also new characters in version 1.4. They are five-star characters with fire attributes in the hunting path. Upgrading is also very important. Some players want to know what they need specifically. Materials, the editor will give you a detailed introduction next.
1→2: Hunting Arrow*3, Iron Guard Buckle*6, Credit Points*5000
2→3: Demon-Slaying Arrow*3, Iron Guard Emblem*3, Credit Points*10,000
3→4: Demon-Slaying Arrow*5, Iron Guard Emblem*4, Credit Points*30,000
4→5: Star Chaser*3, Iron Guard Medal*3, Credit Points*45,000
5→6: Star Chaser*8, Iron Guard Medal*4, Credit Points*160,000
1→2: Iron Guard Buckle*3, Credit Points*2500
2→3: Hunting Arrow*3, Iron Guard Buckle*6, Credit Points*5000
3→4: Demon-Slaying Arrow*3, Iron Guard Emblem*3, Credit Points*10,000
4→5: Demon-Slaying Arrow*5, Iron Guard Emblem*4, Credit Points*20,000
5→6: Demon-Slaying Arrow*7, Iron Guard Emblem*6, Credit Points*30,000
6→7: Star Chaser*3, Iron Guard Medal*3, Credit Points*45,000
7→8: Infinite Avatar's Grudge*1, Star Chaser*5, Iron Guard Medal*4, Credit Points*80,000
8→9: Infinite False Body’s Grudge*1, Star-Chasing Arrow*8, Destiny Obtains Footprints*1, Credit Points*160,000
9→10: Infinite False Body’s Grudge*1, Star-Chasing Arrow*14, Destiny Obtains Footprints*1, Credit Points*300,000
①Extra ability 1 (requires character promotion 2):
Hunting Arrow*3, Infinite Avatar's Grudge*1, Credit Points*5000
②Extra ability 2 (requires character level 4):
Destiny gets Footprints*1, Infinite Avatar's Hatred*1, Demon-Slaying Arrow*5, and Credit Points*20,000
③Extra ability 3 (requires character level 6):
Destiny gets Footprints*1, Infinite Avatar's Grudge*1, Star-Chasing Arrow*8, Credit Points*160,000
①Attribute bonus 1: Iron guard buckle*2, credit points*2500
②Attribute bonus 2 (requires character level 2): Hunting Arrow*3, Iron Guard Buckle*6, Credit Points*5000
③Attribute bonus 3 (requires character to advance to level 3): Demon-Slaying Arrow*3, Iron Guard Emblem*3, Credit Points*10,000
④Attribute bonus 4 (requires character to advance to level 3): Demon-Slaying Arrow*3, Iron Guard Emblem*3, Credit Points*10,000
⑤Attribute bonus 5 (requires character to advance to level 4): Demon-Slaying Arrow*5, Iron Guard Emblem*4, Credit Points*20,000
⑥Attribute bonus 6 (requires character to advance to level 5): Star Chaser*3, Iron Guard Medal*3, Credit Points*45,000
⑦Attribute bonus 7 (requires character to advance to level 5): Star Chaser*3, Iron Guard Medal*3, Credit Points*45,000
⑧Attribute bonus 8 (requires character promotion to level 6): Star Chaser*8, Iron Guard Medal*8, Credit Points*160,000
⑨Attribute bonus 9 (requires character level 75): Star Chaser*8, Iron Guard Medal*8, Credit Points*160,000
⑩Attribute bonus 10 (requires character level 80): Star Chaser*8, Iron Guard Medal*8, Credit Points*160,000
1. Materials dropped by Silver Mane Iron Guard, Wanderer, Everwinter Shadow, and Burning Shadow : Iron Guard Buckle*41, Iron Guard Emblem*56, Iron Guard Medal*58
2. The Immortal God Real·The Aftermath of the War (Huanwu Weekly Edition) Obtain: The Infinite False Body's Resentment
3. Hunting Bud·Fake Calyx (Red) : Hunting Beast Arrow, Demon-Slaying Arrow, and Star-Chasing Arrow