✨ Heimdall's Key — upgrade cost
As artifact #9 you upgrade: multipliers ×4, ×4, ×6.
Total from 0 to 15
• Light of Alfheim: 1.2M
• Soul Shard: 8T
• Gold: 5.8T
| Lv | Light of Alfheim | Soul Shard | Gold |
|---|---|---|---|
| 1 | 400 | 6B | 2.4B |
| 2 | 1.6K | 19.2B | 9B |
| 3 | 2.8K | 32.4B | 15.6B |
| 4 | 4.4K | 44B | 22.2B |
| 5 | 6.4K | 60B | 29.4B |
| 6 | 9.2K | 76B | 38.4B |
| 7 | 13.6K | 104B | 52.2B |
| 8 | 19.6K | 160B | 78B |
| 9 | 28K | 268B | 132B |
| 10 | 40K | 480B | 240B |
| 11 | 48K | 600B | 900B |
| 12 | 80K | 880B | 960B |
| 13 | 132K | 1.2T | 1T |
| 14 | 248K | 1.6T | 1.1T |
| 15 | 520K | 2.4T | 1.2T |