✨ Heimdall's Key — upgrade cost
As artifact #4 you upgrade: multipliers ×3.4, ×2.8, ×1.5.
Total from 0 to 15
• Light of Alfheim: 980.9K
• Soul Shard: 5.6T
• Gold: 1.4T
| Lv | Light of Alfheim | Soul Shard | Gold |
|---|---|---|---|
| 1 | 340 | 4.2B | 600M |
| 2 | 1.4K | 13.4B | 2.3B |
| 3 | 2.4K | 22.7B | 3.9B |
| 4 | 3.7K | 30.8B | 5.6B |
| 5 | 5.4K | 42B | 7.4B |
| 6 | 7.8K | 53.2B | 9.6B |
| 7 | 11.6K | 72.8B | 13.1B |
| 8 | 16.7K | 112B | 19.5B |
| 9 | 23.8K | 187.6B | 33B |
| 10 | 34K | 336B | 60B |
| 11 | 40.8K | 420B | 225B |
| 12 | 68K | 616B | 240B |
| 13 | 112.2K | 840B | 255B |
| 14 | 210.8K | 1.1T | 270B |
| 15 | 442K | 1.7T | 300B |