What is the purpose of Isabel's study of the forbidden spell magic?

To save her fiance who died in an accident.

Isabel is a court magician in the Kingdom of Aresta. Because her fiance died in an accident, she began to study the forbidden spell magic of bringing back the dead, but there has been no progress. In the process of finding a breakthrough in research, I know several other protagonists.

The wizard profession in the poem of shadow, also known as mage, is usually referred to as dharma and witchcraft for short. Features 1: Magic Skill Improvement. When a spell is used or a special effect of a follower is triggered, a magic increase will be launched, so that the card with the magic increase effect in hand will produce a special effect. Representative cards: blast jet, fire inflammation crushing, founder of Yin and Yang, Jiuyuan, determination prophet, Rooney, dimensional transcendence. Feature 2: the secret of the earth. Use specific cards to create "the seal of the earth" on the field, and use cards with "the secret of the earth" effect to create additional abilities. Representative cards: Witch Boiler, Unknown Explorer Clark, Great Magician Li Wei, Boxing Witch Maggie Sha, Black-forbidden Magician.