Although the Black Mountain Base Fortress had gathered hundreds of thousands of cultivators, this was a brutal realm war, and they were facing the endless Demonic Beasts of the Netherworld Realm.
To make matters worse, the Netherworld Fierce Land was a Spiritless Land, so the cultivators of Manggu Heaven were effectively fighting on enemy ground.
The cultivators stationed at the very front lines of Black Mountain Base could replenish their magic power only by taking Qi Replenishing Pills. However, even those had their limits—if they took too many, they would lose their effectiveness.
Thus, the cultivators on the walls of Black Mountain Base Fortress were practically staking their lives in the fight.
After only two days of fierce battle, more than thirty percent of the hundreds of thousands of cultivators originally stationed at Black Mountain Base Fortress had already fallen.
Judging from the experience of previous Great Tribulations, the battles over the next day or two would be the most brutal.
Another arduous day passed. The Netherworld Realm's endless cannon-fodder armies showed no intention of stopping and continued launching frenzied attacks.
Even Su Fan had taken action several times that day, only then managing to defuse the crises that had erupted on the walls.
Xiao Ning had also been rushing around the fortress walls with her people, putting out fires wherever they appeared. She had gone all out, scattering Ninth-tier Immortal Talismans as if they were worthless.
In any case, Black Mountain Base Fortress had endured another day.
But Su Fan and Xiao Ning both knew clearly that the following day would be the most crucial moment of this great battle.
At that moment, countless cultivators from Manggu Heaven were working anxiously around the three spatial breaches within the Netherworld Fierce Land.
At least several lines of defense had been