Host Transformation is a ninjutsu exclusive to the player avatars in Naruto to Boruto: Shinobi Striker. The player momentarily takes the form of one of the following Tailed Beasts:
- Two-Tails (二尾, Nibi): As Matatabi, the player jumps up and dives down on the opponent, causing a fiery explosion.
- Three-Tails (三尾, Sanbi): As Isobu, the player spins around, damaging any nearby opponent.
- Six-Tails (六尾, Rokubi): As Saiken, the player gathers bubbles together to form a large purple-coloured bubble.