Thorny Knife
From JUMP: Assemble Wiki
Thorny Knife is a Tier 2 Physical 
Equipment.
Thorny Knife is focusing on Increasing Magic defense.
| Physical Attack | 70 |
| Max HP | 480 |
| Magic Defense | 75 |
| Cumulative Price | 2620 |
Sole Passive - Guardian: If taking magic damage when the HP is below 35% of Max HP, releases a barrier that resists (500 + character Level x25) Magic damage.