transformation

• Change of face

  A significant and often sudden alteration in appearance, attitude, or the public presentation of a situation.

• Melt away

  To gradually disappear, diminish, or cease to exist, often smoothly and completely.

• Road to Damascus

  A sudden, profound, and often life-altering realization or conversion, typically one that changes a person's fundamental beliefs or direction.

• A sea change

  A sea change refers to a profound and fundamental transformation or alteration.

• Crucible

  A crucible is a severe test or a situation that forces significant change or development.