arknights
Items
Battle Record Upgrade mat. Building mat. Skill Summaries Promotion mat. Tokens
Currencies Sanity rest. Event Operator I.S. Misc.

These items are used to add Operators into the player's roster through headhunting and recruitment.

Headhunting

Regular
Headhunting Permit
Ten-roll Headhunting Permit
Special 1
Awakening Commemoration Permit
Memorial-Limited Headhunting Permit
Tide on Sunset Headhunting Permit
Elite Forces Headhunting Permit
Song of the Sea Headhunting Permit
Breaking Waves Headhunting Permit
Flaming Radiance Headhunting Permit
Singing to the Drink Headhunting Permit
Lighthouse in Morning Mist Headhunting Permit
Tempered into Poetry Headhunting Permit
Special 2
Type-α Headhunting Permit (2020)
Type-α Headhunting Permit (2021)
Type-α Headhunting Permit (2022)
Type-β Headhunting Permit (2020)
Type-β Headhunting Permit (2021)
Type-β Headhunting Permit (2022)
Type-γ Headhunting Permit (2020)
Type-γ Headhunting Permit (2021)
Type-γ Headhunting Permit (2022)

Recruitment

Regular
Expedited Plan
Recruitment Permit
Special
★3 Recruitment Exchange Voucher I
★4 Recruitment Exchange Voucher I
Vulcan and Indra Recruitment Voucher

Unique

Operator Voucher
Preregister to get 1 of 4 Operators randomly
Senior Operator Transfer Permit
Thank-You Celebration Operator Permit
Thank-You Celebration Operator Permit
Top Operator Transfer Permit
Top Operator Transfer Permit
Top Operator Transfer Permit