What galaxy and planet is Sail Umina's fifth skill?

You can gain the fifth skill of Umina by participating in the opening activity of the fifth skill specially trained by Sail Witch King. The name of the fifth skill is magic sound.

Magic Sound: Ice Shadow Attack, Power 160, PP5. The effect is to restore the physical strength of 1/3 that caused the damage. If the opponent is frostbitten, it will restore 1/2 physical strength. If the opponent is afraid and his power doubles, he can quickly shoot attribute skills in the next round.