No! You do not. The Oasis is a trap that you can bypass entirely. It is not at all a “Stage of Healing.” 

I talk about The Oasis to make you aware of it, so you can avoid it. The Oasis is basically “The Matrix” Take #2.

Once you become aware of The Matrix, people think “I’m out!” But there is a Second, Smaller Matrix, which I call “The Oasis.” It feels like — it really almost seems like — The Oasis is a “trap” put there to catch people who wake up from The Matrix to keep them from escaping. 

To bypass The Oasis, you must learn the Skill of discerning Truth from Lie using Logic, and being able to Ground yourself on One Truth, that you can use like a Beacon to hold and secure your Focal Point. 

People with this Focal Point fixed on a Truth Point, can avoid the Oasis. We talk about this in depth in The Oasis Course.

But NO! You do not have to go through The Oasis at all. It is a Delusion within a Delusion.