Rossi Promotion, Weapon & Ability Materials | Arknights: Endfield

Rossi is a new 6-star Operator in Arknights: Endfield. As the leader of the Valley IV Wolf Clan, she will join Endfield on March 29th.

And to help players who want to pre-farm for her, we’ve collected all the Rossi materials you’ll need to build her. From promotion and ability materials to those required signature weapon materials, we've got you covered. Keep reading! 

Secure Your Arknights: Endfield Top-Up with Smart Savings on LootBar
Ineffa
  • Enjoy up to 22% off on Arknights Top-Ups.
  • 3-Minute Delivery for Non-Stop Gaming.
  • Trusted 4.9/5 on Trustpilot, 10/10 among Players.
  • Official Partnership Route, Protect Your Game Wallet.

Rossi Materials Total

In this part, we will count all level-up, promotion, and ability materials you need to build Rossi:

1) Character Level to 90

2) All Skills level to 9, Talents level to 4

Rossi MaterialsTotal
Advanced Combat RecordAdvanced Combat Record74
Advanced Cognitive CarrierAdvanced Cognitive Carrier105
ProtodiskProtodisk33
ProtosetProtoset60
ProtoprismProtoprism461
ProtohedronProtohedron206
Pink BoletePink Bolete3
Red BoleteRed Bolete5
Ruby BoleteRuby Bolete5
CosmagaricCosmagaric 8
KalkodendraKalkodendra12
ChrysodendraChrysodendra16
VitrodendraVitrodendra16
?/Advanced Progression Selection Crate ⅠAdvanced Progression Selection Crate Ⅰ20
T-CredsT-Creds1,316,010

Rossi Signature Weapon Materials

In this part, we will count all weapon materials you need in order to enhance Rossi's signature weapon Lupine Scarlet from 0-90.

Rossi Signature MaterialsTotal
KalkonyxKalkonyx3
AuronyxAuronyx5
UmbronyxUmbronyx5
Cast DieCast Die23
Heavy Cast DieHeavy Cast Die50
Arms INSP SetArms INSP Set253
IgneositeIgneosite / Wuling StoneWulingstone8
?/Advanced Progression Selection Crate ⅠAdvanced Progression Selection Crate Ⅰ16
T-CredsT-Creds467,090

Rossi Promotion Materials

☛ Rossi Promotion Materials Total

The following is all the promotion materials you need to upgrade Rossi from 0-90.

Rossi Promotion MaterialsTotal
Pink BoletePink Bolete3
Red BoleteRed Bolete5
Ruby BoleteRuby Bolete5
ProtodiskProtodisk33
ProtosetProtoset60
CosmagaricCosmagaric 8
Advanced Combat RecordAdvanced Combat Record74
Advanced Cognitive CarrierAdvanced Cognitive Carrier105
?/Advanced Progression Selection Crate ⅠAdvanced Progression Selection Crate Ⅰ20
T-CredsT-Creds537,620

Rossi Ability Materials

☛ Rossi Ability Materials Total 

The following is all the ability materials you need to enhance Rossi's Normal Attack, Combat Skill, Combo Skill, and Ultimate to Level 9, and unlock all talents.

Rossi Ability Materials (Lv. 9)Total
ProtoprismProtoprism461
ProtohedronProtohedron206
KalkodendraKalkodendra12
ChrysodendraChrysodendra16
VitrodendraVitrodendra16
T-CredsT-Creds311,300

If you want to upgrade the skill Lv. 9 to Mastery 3, here's the materials you need:

Rossi Ability Materials (M3)Total
ProtohedronProtohedron89
Mark of PerseveranceMark of Perseverance6
Blighted JadeleafBlighted Jadeleaf / False AggelaFalse Aggela16
?/Advanced Progression Selection Crate ⅠAdvanced Progression Selection Crate Ⅰ29
T-CredsT-Creds119,000

What is Advanced Progression Selection CrateⅠ?

This is a crate that contains all sorts of high-quality, general-purpose materials, including operator promotion materials such as D96 Steel Sample 4, Triphasic Nanoflake, and more. Operator combat performance is not limited by race or combat experience. Sometimes, they just need a bit of inspiration.

Opening this lets you acquire an advanced progression material (2x) of your choice.

 What is Advanced Progression Selection CrateⅠ

How to Get the Crate?

The Advanced Progression Selection CrateⅠcan only be obtained by leveling up in the Protocol Pass: Protocol Customized. The Protocol Pass is a paid battle pass that allows you to unlock rewards by completing missions within it.

Protocol Pass: Protocol Customized

How to Obtain Most Materials?

Most materials can be farmed in the Protocol Space. Edmins can find them in your Operational Manual.

Operational Manual

How to Get the Plants like BloodCap / Cosmagaric?

You can filter the required condition “Rare” through Marker Tags, after which you will be able to locate the plants you need on the map. Edmins can find Cosmagaric in the Wuling City and Cosmagaric in the Sanku Ridge. 

How to Get Bloodcap / Cosmagaric?

How to Get the Minerals like Wulingstone / Igneosite?

To obtain these special minerals, you can filter the required condition “Rare Mineral” through Marker Tags, after which you will be able to locate the minerals you need on the map. Edmins can find Wulingstone in the Wuling City and Igneosite between the Guhou Marsh and the Field Logistics Depot.

How to Get the Minerals like Wulingstone / Igneosite?

☛  Obtaining These Rares in the Growth Chamber

After obtaining one Rare Ore in the map, you can choose to grow it in your Growth Chamber. And you can extract the first rare you got into 3 seeds. 

Growth Chamber

This is all the information about Rossi's materials and ways to pre-farm them. If you like Rossi and want to maximize his potential, why not consider Topping Up Arknights: Endfield at LootBar!