There are 7 messages each for chaotic spawn, and tentacle rep messages. Here they are in order.

First, chaotic spawn rep messages:

You feel devoid of chaos

You feel a slight tingling of chaos inside you

You feel chaos pulsing deep inside you

You feel chaos pulsing inside your veins

You feel chaos energizing your body

You feel chaos pouring out of you

You feel your veins throbbing with pure chaos

And here are the tentacle rep progression messages:

Your skin feels smooth.

You feel a tickling in your torso.

You feel a burning bump in your side.

There's a bulging mass in your side.

There's a seething mass in your side.

A glowing, bulging mass is burning in your side.

Your side is about to burst by the seething mass lodged there!