By using the Tea's Holy Guard skill, you can use the effect of a Yomi Ship actively. During you turn, get a Yomi Ship to attack an attack position monster that has higher attack than that of it. The Yomi Ship is destroyed in a battle, and the monster that defeats the Yomi Ship is also destroyed. You do not receive battle damage for the effect of Holy Guard skill.
How to get
[Holy Guard] You receive no battle damage during your turn.