You utilize life conduit to share hit points with your eidolon. While this spell is active, you can spend a swift action to transfer 1d6 hit points between you and your eidolon, either taking damage yourself and healing your eidolon or healing yourself and damaging your eidolon. If your eidolon moves farther than 50 feet from you, this spell ends.

Life Conduit, Improved

School conjuration (healing); Level summoner/unchained summoner 3

Casting Time 1 standard action
Components V, S

Range personal
Target you
Duration 1 round/level

This spell functions like life conduit, except you can transfer 2d6 hit points as a swift action.

Life Conduit, Greater

School conjuration (healing); Level summoner/unchained summoner 5

Casting Time 1 standard action
Components V, S

Range personal
Target you
Duration 1 round/level

This spell functions like life conduit, except you can transfer 3d6 hit points as a swift action.