Unrecoverable + Heavenly Thunder or Xingfeng, because you usually only take 2 spell-enhancing pills, it is best to choose the combination of Feng Shui or Thunder and Fire, for the following reasons:
Skill 4: Thunder Fury - strong thunder and fire, so use Dandu with thunder and fire
Skill Function: Increase the power and resistance of the summoned beast's fire and thunder spells. Suitable for learning mounts with high spirituality and strength.
Skill 5: Make waves - strong Feng Shui, so use Feng Shui pills
Skill Function: Increase the power and resistance of the summoned beast's wind and water spells. Suitable for those with high spirituality and high bones to learn mounts.
Skill 6: Escape--Strong four spells, and increase MP more,
Skill function: Increase the power of the four spells of the summoned beast. Suitable for those with high spirituality to learn mounts.