Uchiha Shin was also somewhat worried about Goku entering the Eight Trigrams Furnace. He feared that Goku might be refined beyond repair.
Journey to the West only said that Goku did not die after emerging from the Eight Trigrams Furnace and continued wreaking havoc in the Heavenly Court, but it never mentioned whether Goku suffered any aftereffects.
Other than that "red-eye sickness"—his Fiery Eyes and Golden Pupils, of course.
Now that the people of Penglai Three Mountains were stopping Taishang Laojun, Uchiha Shin did not try to persuade them otherwise and simply let them proceed.
Since Taishang Laojun had allowed the people of Penglai Three Mountains to come to the Heavenly Court, he must have made some preparations.
Taishang Laojun stood there, glanced at the clamoring gods around him, and smiled faintly.
Taishang Laojun said, "What you say makes sense, but no matter what, Goku has challenged the dignity and authority of the Heavenly Court. The Heavenly Court is the core of the Three Realms. If we forgive this matter and let it go, how will the Heavenly Court rule the Three Realms in the future? Wouldn't everyone in the Three Realms follow Goku's example? Those who have rendered merit would then be able to challenge the Heavenly Court without restraint, using their achievements to offset their crimes. That is unacceptable."
"Laojun, the Great Sage Equaling Heaven did not become an enemy of the Heavenly Court out of his own wishes. He was merely forced into it by certain people. We must look at the facts," the immortals of Penglai Three Mountains continued.
Taishang Laojun looked coldly at the immortals of Penglai Three Mountains and said, "I understand your feelings. After all, Goku once helped Penglai Three Mountains restore its immortal aura. I know that you wish to help him