"Heal your Troops to keep them in the fight! Cast this spell to create a Ring of Healing. Your units will be healed while they are inside this ring."
| Level | Total healing | Healing per pulse | Total healing on heroes | Research cost | Research time | Laboratory level required |
|---|---|---|---|---|---|---|
| 1 | 615 | 15 | 338.25 | N/A | N/A | N/A |
| 2 | 820 | 20 | 451 | 75,000 | 3h | 2 |
| 3 | 1,025 | 25 | 563.75 | 150,000 | 6h | 4 |
| 4 | 1,230 | 30 | 676.5 | 300,000 | 12h | 5 |
| 5 | 1,435 | 35 | 789.25 | 900,000 | 1d | 6 |
| 6 | 1,640 | 40 | 902 | 1,800,000 | 1d 12h | 7 |
| 7 | 1,845 | 45 | 1,014.75 | 3,000,000 | 3d | 8 |
| 8 | 2,050 | 50 | 1,127.5 | 6,000,000 | 5d | 11 |
| 9 | 2,255 | 55 | 1,240.25 | 11,000,000 | 6d 12h | 13 |
| 10 | 2,460 | 60 | 1,353 | 14,000,000 | 7d | 14 |
| 11 | 2,747 | 67 | 1,510.85 | 19,000,000 | 10d 12h | 15 |
| 12 | 3,075 | 75 | 1,691.25 | 29,000,000 | 15d | 16 |