The Martial Dao Prime Body pondered in silence.
If the eight Hells joined forces, it would indeed be quite troublesome.
Previously, when he killed Hell Lord Frost Springs, he caught the latter off guard and made use of the Hell Suppression Tripod.
If the combat strength of the eight Hell Lords was comparable to Hell Lord Frost Springs, once they joined forces, it would be difficult for him to defend even if he summoned the Hell Suppression Tripod.
The Netherworld Treasure Mirror was too evil and he did not know how to activate it.
The Soul Lantern was extremely harmful to the Essence Spirit and soul. However, it was difficult for the Soul Lantern to cause direct damage to the various Hell Lords who possessed actual bodies and bloodlines.
Furthermore, there was an invisible danger hidden in his Essence Martial Grotto-heaven.
Every time he released the Essence Martial Grotto-heaven, his spirit perception would warn him!