Guardian Rune is a permanent Rune, unlocked with Guardian Runestones, that decreases its user's damage received in battle for 2 rounds can not be dispelled.
| Level | Exp Required | Min. Hero Level | Ability | Usage |
|---|---|---|---|---|
| 1 | default | 35 | -10% damage | 1 |
| 2 | 6,000 | 40 | -12% damage | 1 |
| 3 | 8,400 | ? | -14% damage | 1 |
| 4 | 15,000 | 50 | -16% damage | 1 |
| 5 | 26,400 | 54 | -18% damage | 1 |
| 6 | 45,000 | 62 | -20% damage | 2 |
| 7 | 68,400 | ? | -24% damage | 2 |
| 8 | 100,800 | ? | -30% damage | 2 |
| 9 | 139,200 | ? | -38% damage | 3 |
| 10 | 190,800 | ? | -50% damage | 3 |