Taichu Peak, within the cave mansion at the back mountain.
Lu Jin'an, who successfully broke through to the Second Realm of Tribulation Crossing a few days ago, did not immediately leave seclusion, instead focusing on deducing and experimenting with Daoist skills.
He naturally knew his shortcoming: spells.
Many of the spells he learned before could not keep up with his current cultivation realm, and since he only decided on his 'path' during Tongsheng, the spells he learned before became increasingly ineffective.
At his level, the 'path' he takes must be aligned to the greatest extent to unleash the strongest power.
This is an unavoidable step for every cultivator striving to become an Immortal: comprehending their own Daoist skill.
