Transform

"Transform" ( Henshin) is a keyword, currently unique to Hero World. It allows, after paying a cost, equip a monster in hand or monster space and be treated as an item. Use Transform is considered as equipping an item. Even so, 1 life may be gained by buddy gift if the card is a buddy. In effect, Ride and Transform are exactly the same. The only difference between each is their support cards.

It offers the advantage of monsters having defense to protect the player against direct attacks while keeping their properties and abilities, and because they become items they don't count toward's the player's size limit and are immune to monster destruction effects.

Transform is commonly given to 《Superhero》 monsters, though there are a few exceptions.

It is marked by the text: 

Size 1

 * First Warrior, Einder
 * Ninth Warrior, Nine
 * Stray Warrior, Vier
 * Hero Hunter, Sieben

Size 2

 * Captain Answer
 * Explosive Takedown, Rampage Sonic
 * Red Warrior, Road Blader

List of Support Cards

 * Emergency Launch! Decker Drum
 * Emergency Trans!
 * Gran Ruler, Silver Barrier
 * I Knew Something Like This Would Happen...
 * I've Come Back to Take You Down!
 * Leave Me Here and Move On!
 * White Valor, Lord Takuto

Rulings

 * Even if Transform was nullified by card effects like Oberon or Frozen Stars, the card you are Transform into is still treated as an item.
 * You can still Transform into a card from your hand, but not from the field.