Levels, promotions, Mastery, trust and sanity
Arknights level caps and upgrade costs
Taking a 6-star from level 1 to Elite 2 level 90 costs 1,111,400 EXP and 1,334,796 LMD, before any promotion materials. Promotion resets the level to 1 and raises the cap.
Level caps by rarity
RarityElite 0Elite 1Elite 2EXP to maxLMD to max
- 6★Elite 0: 50Elite 1: 80Elite 2: 90EXP to max: 1,111,400LMD to max: 1,334,796
- 5★Elite 0: 50Elite 1: 70Elite 2: 80EXP to max: 734,400LMD to max: 819,325
- 4★Elite 0: 45Elite 1: 60Elite 2: 70EXP to max: 484,000LMD to max: 482,003
- 3★Elite 0: 40Elite 1: 55EXP to max: 115,400LMD to max: 104,040
- 2★Elite 0: 30EXP to max: 9,800LMD to max: 6,043
- 1★Elite 0: 30EXP to max: 9,800LMD to max: 6,043
LMD to max includes the promotion fees. 1-star and 2-star operators can't be promoted; 3-stars stop at Elite 1.
By promotion
RarityPromotionLevel capEXPLMDPromotion fee
- 6★Promotion: Elite 0Level cap: 50EXP: 24,400LMD: 26,719Promotion fee: 30,000
- 6★Promotion: Elite 1Level cap: 80EXP: 337,000LMD: 353,122Promotion fee: 180,000
- 6★Promotion: Elite 2Level cap: 90EXP: 750,000LMD: 744,955
- 5★Promotion: Elite 0Level cap: 50EXP: 24,400LMD: 26,719Promotion fee: 20,000
- 5★Promotion: Elite 1Level cap: 70EXP: 215,000LMD: 205,228Promotion fee: 120,000
- 5★Promotion: Elite 2Level cap: 80EXP: 495,000LMD: 447,378
- 4★Promotion: Elite 0Level cap: 45EXP: 20,200LMD: 19,613Promotion fee: 15,000
- 4★Promotion: Elite 1Level cap: 60EXP: 130,000LMD: 111,628Promotion fee: 60,000
- 4★Promotion: Elite 2Level cap: 70EXP: 333,800LMD: 275,762
- 3★Promotion: Elite 0Level cap: 40EXP: 16,400LMD: 13,947Promotion fee: 10,000
- 3★Promotion: Elite 1Level cap: 55EXP: 99,000LMD: 80,093
- 2★Promotion: Elite 0Level cap: 30EXP: 9,800LMD: 6,043
- 1★Promotion: Elite 0Level cap: 30EXP: 9,800LMD: 6,043
EXP and LMD to go from level 1 to the cap at that promotion. The fee is paid to move on to the next promotion.
Skill levels and Mastery
Skill levels raise every skill an operator has at once. Levels 2 to 4 are open from the start; 5 to 7 need Elite 1. Mastery is per skill and needs Elite 2 and skill level 7. Each rank trains in the Training Room: Mastery 1 takes 8 hours, Mastery 2 takes 16 hours, Mastery 3 takes 24 hours, before the trainer's speed-up.
Trust
TrustPoints
- 25%Points: 804
- 50%Points: 2,732
- 75%Points: 6,195
- 100%Points: 10,070
- 150%Points: 17,820
- 200%Points: 25,570
Trust tops out at 200%. The stat bonus stops growing at 100%.
Sanity
Doctor levelSanity cap
- 1Sanity cap: 82
- 20Sanity cap: 105
- 40Sanity cap: 121
- 60Sanity cap: 125
- 80Sanity cap: 129
- 100Sanity cap: 130
- 120Sanity cap: 135
Sanity comes back at 1 point every 6 minutes. The Doctor level caps at 120.



