Conjuration - Conjure greater serpent

Spell Power Ranking: B Description: The user is able to summon a large serpent out of mana that is around the height of a human but 17 feet long. The creature has all the capabilities of a python, but can only interact with mana-related creations and beings. The snake is able to swallow mana and spit it back up. Mana Cost: Medium. Limitations/Side Effects: Can only last 8 turns. Can be hurt by mana-based attacks. Can only swallow ambient mana. Cooldown: 15 Turns. Requirements: None