![Protective Soul Ailin [DR04-EN024] Common](http://mediareload.net/cdn/shop/products/3218f309-8c4f-54fe-b65b-364f90d5ad0d_1024x1024.png?v=1709423610)
![Protective Soul Ailin [DR04-EN024] Common](http://mediareload.net/cdn/shop/products/3218f309-8c4f-54fe-b65b-364f90d5ad0d_480x480.png?v=1709423610)
| Set: | Dark Revelation Volume 4 |
| Card type: | Union Monster |
| Rarity: | Common |
| Attack: | 0 |
| Defense: | 0 |
Once per turn, you can equip this card to an "Indomitable Fighter Lei Lei" you control, OR unequip it to Special Summon this card in face-up Attack Position. When equipped to a monster by this card's effect, you can change that monster's battle position once per turn. (A monster can only be equipped with 1 Union Monster at a time. If the equipped monster would be destroyed by battle, destroy this card instead.)