Eroe's Elemental Familiar

You gain the service of a familiar, a minor elemental that takes the form of the materials you used as part of this spells casting: Dust Mephit, Ice Mephit, Magma Mephit, Mud Mephit, Smoke Mephit, or Steam Mephit. Appearing in an unoccupied space within range, the familiar has the statistics of the chosen form.

Once the Mephit is summoned roll a d6. The Mephit disappears after a number of hours equal to the roll of the d6.

Additionally, On a roll of 6, the Mephit becomes hostile towards you and your allies and tries to attack you, runs away, or returns to its original plane of existence (DMs choice).

On a roll of 1-5 the Mephit becomes your familiar, and acts independently of you, but it always obeys your commands. In combat, it rolls its own initiative and acts on its own turn, and can use any of the actions presented in its stat block.

When the Mephit drops to 0 hit points, it disappears, leaving behind no physical form.

While the Mephit is within 100 feet of you, you can communicate with it telepathically. Additionally, as an action, you can see through the Mephit's eyes and hear what it hears until the start of your next turn, gaining the benefits of any special senses that the Mephit has. During this time, you are deaf and blind with regard to your own senses.

You can't have more than one familiar summoned at a time. If you cast this spell while you already have a familiar summoned, you instead cause the currently summoned familiar to change form to the type of Mephit that would be summoned with the materials you use to cast the spell.

Finally, when you cast a spell with a range of touch, the Mephit can deliver the spell as if it had cast the spell. The Mephit must be within 100 feet of you, and it must use its reaction to deliver the spell when you cast it. If the spell requires an attack roll, you use your attack modifier for the roll.