Despite being effectively a battle-angel, yet Eliezer's humbler origins give to him an incredibly calming demeanor when he desires, and he allays J'kal's fears. She promises the PCs that if they return the idol to the shrine, she'll be more than willing to send her warriors to Farshore to defend it when the time comes.
The Tanaroans eagerly provide directions to the Zotzilaha shrine entrance on the lower slopes of Nextepeua. This entrance is a large cave mouth, its rim marked with bat carvings and numerous niches for offerings. Beyond this entrance, a winding tunnel bores deep into the volcano's core -- the Olmans make the pilgrimage to the shrine chamber itself only once a year, and typically do so under the protection of endure elements. The winding tunnel climbs three miles through the volcano before reaching the shrine, and usually takes the Olman priests about an hour.
If you leave now, you will effectively be force marching and won't have the proper spells aligned. Do you leave now, or wait until the next morning?