Sanctum

Building profile

Max level

20

Upgrades

52

Highest Stele tier needed

20

Total Bone

193,400

Total Astral Essence

138

Plan these upgrades →

Functions

How these functions actually work — costs, odds, and prices →

• Combine

  Fuse low-rarity Consumables​ into higher-rarity ones.

  • Combine turns lower-quality items into higher quality.
  • More Combine recipes can be unlocked through Sanctum Upgrades.
  Available from the start
• Convert

  Convert chests into various resources

  Unlocked by: Unlock Convert
• Omen

  Add an Omen to a chest to change its rewards

  Unlocked by: Unlock Omen

Upgrade tree · Level track

1. 

   Level

   Upgrade 1

   200

   Building Level +1, can combine Level 1 chests

   Reachable at Stele tier 1Bone to here 200

2. 

   Level

   Upgrade 2

   300

   Building Level +1, can combine Level 2 chests

   Reachable at Stele tier 2Bone to here 500After: Upgrade 1

3. 

   Level

   Upgrade 3

   400

   Building Level +1, can combine Level 3 chests

   Reachable at Stele tier 3Bone to here 900After: Upgrade 2

4. 

   Level

   Upgrade 4

   600

   Building Level +1, can combine Level 4 chests

   Reachable at Stele tier 4Bone to here 1,500After: Upgrade 3

5. 

   Level

   Upgrade 5

   800

   Building Level +1, can combine Level 5 chests

   Reachable at Stele tier 5Bone to here 2,300After: Upgrade 4

6. 

   Level

   Upgrade 6

   1,000

   Building Level +1, can combine Level 6 chests

   Reachable at Stele tier 6Bone to here 3,300After: Upgrade 5

7. 

   Level

   Upgrade 7

   1,300

   Building Level +1, can combine Level 7 chests

   Reachable at Stele tier 7Bone to here 4,600After: Upgrade 6

8. 

   Level

   Upgrade 8

   1,600

   Building Level +1, can combine Level 8 chests

   Reachable at Stele tier 8Bone to here 6,200After: Upgrade 7

9. 

   Level

   Upgrade 9

   1,900

   Building Level +1, can combine Level 9 chests

   Reachable at Stele tier 9Bone to here 8,100After: Upgrade 8

10. 

    Level

    Upgrade 10

    2,200

    Building Level +1, can combine Level 10 chests

    Reachable at Stele tier 10Bone to here 10,300After: Upgrade 9

11. 

    Level

    Enhance 11

    2,600

    Building Level +1, can combine Level 11 chests

    Reachable at Stele tier 11Bone to here 12,900After: Upgrade 10

12. 

    Level

    Enhance 12

    3,000

    Building Level +1, can combine Level 12 chests

    Reachable at Stele tier 12Bone to here 15,900After: Enhance 11

13. 

    Level

    Enhance 13

    3,400

    Building Level +1, can combine Level 13 chests

    Reachable at Stele tier 13Bone to here 19,300After: Enhance 12

14. 

    Level

    Enhance 14

    3,900

    Building Level +1, can combine Level 14 chests

    Reachable at Stele tier 14Bone to here 23,200After: Enhance 13

15. 

    Level

    Enhance 15

    4,400

    Building Level +1, can combine Level 15 chests

    Reachable at Stele tier 15Bone to here 27,600After: Enhance 14

16. 

    Level

    Empower 16

    4,900

    Building Level +1, can combine Level 16 chests

    Reachable at Stele tier 16Bone to here 32,500After: Enhance 15

17. 

    Level

    Empower 17

    5,500

    Building Level +1, can combine Level 17 chests

    Reachable at Stele tier 17Bone to here 38,000After: Empower 16

18. 

    Level

    Empower 18

    6,100

    Building Level +1, can combine Level 18 chests

    Reachable at Stele tier 18Bone to here 44,100After: Empower 17

19. 

    Level

    Empower 19

    6,700

    Building Level +1, can combine Level 19 chests

    Reachable at Stele tier 19Bone to here 50,800After: Empower 18

20. 

    Level

    Empower 20

    7,300

    Building Level +1, can combine Level 20 chests

    Reachable at Stele tier 20Bone to here 58,100After: Empower 19

Upgrade tree · Left branch

1. 

   Boost

   Combine Price Reduced

   300

   Combine price reduced by 10%

   Reachable at Stele tier 2Bone to here 800After: Upgrade 2

2. 

   Boost

   Combine Price Reduced

   1,000

   Combine price reduced by 10%

   Reachable at Stele tier 6Bone to here 4,300After: Upgrade 6

3. 

   Boost

   Common Rune Pouch Combine

   1,300

   Can combine Normal Rune Pouches into higher quality.

   Reachable at Stele tier 7Bone to here 5,900After: Upgrade 7

4. 

   Unlock

   Unlock Convert

   2,200

   Common-quality chests can be converted into Gold

   Reachable at Stele tier 10Bone to here 12,500After: Upgrade 10

5. 

   Boost

   Fine Rune Pouch Combine

   2,600

   Can combine Fine Rune Pouches into higher quality.

   Reachable at Stele tier 11Bone to here 15,500After: Enhance 11

6. 

   Boost

   Combine Chance Increased

   3,000

   Chance to combine high-rarity items increased by 15%

   Reachable at Stele tier 12Bone to here 18,900After: Enhance 12

7. 

   Boost

   Dark Star Combine

   3,4003

   Void Stars can be combined into Dark Stars (can remove a Chosen One's Inspire Mastery)

   Reachable at Stele tier 13Bone to here 22,700After: Enhance 13

8. 

   Boost

   Convert Resource Bonus

   4,4005

   Resources gained from Convert increased by 15%

   Reachable at Stele tier 15Bone to here 32,000After: Enhance 15

9. 

   Boost

   Convert Rune Savings

   4,4005

   Convert has a 10% chance to not consume Runes

   Reachable at Stele tier 15Bone to here 36,400After: Convert Resource Bonus

10. 

    Boost

    Combine Chance Increased

    4,9006

    Chance to combine high-rarity items increased by 15%

    Reachable at Stele tier 16Bone to here 37,400After: Empower 16

11. 

    Boost

    Rare Chest Convert

    5,5007

    Rare chests can be converted into Sacred Bone

    Reachable at Stele tier 17Bone to here 43,500After: Empower 17

12. 

    Boost

    Combine Price Reduced

    6,7009

    Combine price reduced by 10%

    Reachable at Stele tier 19Bone to here 57,500After: Empower 19

13. 

    Boost

    Legendary Rune Pouch Combine

    6,7009

    Can combine Legendary Rune Pouches into higher quality.

    Reachable at Stele tier 19Bone to here 64,200After: Combine Price Reduced

14. 

    Boost

    Omen Cost Reduction

    7,30010

    Sacred Bone cost of Omens reduced by 15%

    Reachable at Stele tier 20Bone to here 65,400After: Empower 20

15. 

    Boost

    Mythic Chest Omen

    7,30010

    Mythic chests can also receive Omens

    Reachable at Stele tier 20Bone to here 72,700After: Omen Cost Reduction

Upgrade tree · Right branch

1. 

   Boost

   Combine Chance Increased

   400

   Chance to combine high-rarity items increased by 15%

   Reachable at Stele tier 3Bone to here 1,300After: Upgrade 3

2. 

   Boost

   Blood Crystal Combine

   1,300

   Resonance Crystals can be combined into Blood Crystal (can reroll a Chosen One's attribute growth)

   Reachable at Stele tier 7Bone to here 5,900After: Upgrade 7

3. 

   Boost

   Combine Chance Increased

   1,600

   Chance to combine high-rarity items increased by 15%

   Reachable at Stele tier 8Bone to here 7,800After: Upgrade 8

4. 

   Boost

   Combine Price Reduced

   2,200

   Combine price reduced by 10%

   Reachable at Stele tier 10Bone to here 12,500After: Upgrade 10

5. 

   Boost

   Convert Resource Bonus

   3,000

   Resources gained from Convert increased by 15%

   Reachable at Stele tier 12Bone to here 18,900After: Enhance 12

6. 

   Boost

   Convert Rune Savings

   3,000

   Convert has a 10% chance to not consume Runes

   Reachable at Stele tier 12Bone to here 21,900After: Convert Resource Bonus

7. 

   Boost

   Fine Chest Convert

   3,4003

   Fine chests can be converted into Blood

   Reachable at Stele tier 13Bone to here 22,700After: Enhance 13

8. 

   Boost

   Combine Price Reduced

   4,4005

   Combine price reduced by 10%

   Reachable at Stele tier 15Bone to here 32,000After: Enhance 15

9. 

   Boost

   Rare Rune Pouch Combine

   4,4005

   Can combine Rare Rune Pouches into higher quality.

   Reachable at Stele tier 15Bone to here 36,400After: Combine Price Reduced

10. 

    Unlock

    Unlock Omen

    4,900

    Omens can be added to chests to affect their rewards

    Reachable at Stele tier 16Bone to here 37,400After: Empower 16

11. 

    Boost

    Omen Cost Reduction

    5,5007

    Sacred Bone cost of Omens reduced by 15%

    Reachable at Stele tier 17Bone to here 43,500After: Empower 17

12. 

    Boost

    Legendary Chest Omen

    6,1008

    Legendary chests can also receive Omens

    Reachable at Stele tier 18Bone to here 50,200After: Empower 18

13. 

    Boost

    Unique Chest Omen

    6,1008

    Unique chests can also receive Omens

    Reachable at Stele tier 18Bone to here 56,300After: Legendary Chest Omen

14. 

    Boost

    Convert Resource Bonus

    6,7009

    Resources gained from Convert increased by 15%

    Reachable at Stele tier 19Bone to here 57,500After: Empower 19

15. 

    Boost

    Convert Rune Savings

    6,7009

    Convert has a 10% chance to not consume Runes

    Reachable at Stele tier 19Bone to here 64,200After: Convert Resource Bonus

16. 

    Boost

    Combine Chance Increased

    7,30010

    Chance to combine high-rarity items increased by 15%

    Reachable at Stele tier 20Bone to here 65,400After: Empower 20

17. 

    Boost

    Crystallized Skull Combine

    7,30010

    Faith Skulls can be combined into Crystallized Skulls (can reroll a Godsworn's Mutated Skill)

    Reachable at Stele tier 20Bone to here 72,700After: Combine Chance Increased

Stele Oracles about this building · 8

• Upgrade the Sanctum to Level 5Tier 7
• Upgrade the Sanctum to Level 6Tier 8
• Upgrade the Sanctum to Level 7Tier 9
• Upgrade the Sanctum to Level 9Tier 11
• Upgrade the Sanctum to Level 12Tier 13
• Upgrade the Sanctum to Level 15Tier 16
• Upgrade the Sanctum to Level 17Tier 18
• Upgrade the Sanctum to Level 20Tier 20