Elemental Symbiosis

You link yourself with a element within 10 ft summoning a spirit elemental linked to your soul and taking the properties of said element. Choose an area of air, earth, fire, or water that fills a 10-foot cube within range. An elemental appears in the area you chose appears in an unoccupied space within 10 feet of it. The elemental disappears when it drops to 0 hit points or when the caster loses  consciousness.

The elemental is friendly to you and your companions for the duration. Roll initiative for the elemental, which has its own turns. It osbeys any verbal commands that you issue to it (no action required by you). If you don't issue any commands to the elemental, it defends itself from hostile creatures but otherwise takes no actions.

The elemental is a creature at your level and has hp=(your level x2+INT) it can ready itself and take attacks of opportunity but is limited to melee only.

Attack: Fist-d20+dex- Damage -2d6+STR-