Sleipnir (Unslotted) Quest
1) Go to Yuno. Walk a bit east and slightly south till you reach a Statue. The Sleipnir Apprentice is below the statue. Talk to him.
2) He asks you to get certain items. Obtain the items and get back to him and he will make you a Sleipnir.
Note: While Sleipnir is NOT a Super Quest Items, it is NOT allowed in Vanilla Mode Maps.