If it's a relatively new or digital collection, it could potentially be found on official religious websites or platforms dedicated to religious study and resources. You could also try reaching out to religious scholars or clergy who might be more familiar with such materials and could guide you on how to access it.
First, you could start by checking with the local religious community associated with the concept behind 'lumen fidei'. They may have copies in their own libraries or be able to point you in the right direction. Additionally, search engines can sometimes be useful. Type in the exact name and see if any relevant links pop up, but be cautious as there may be a lot of unrelated or inaccurate information on the web as well.
Chapter 313, "Migration Preparations, Population Boom, Cold Resistance Level Arrangements", is the clearest early answer because Great Xia finally turns buildup into a real advancement. It opens with This number surpasses the peak Cold Resistance Levels during the Long... and closes on The night before, Xia Chuan had explained the current system of Great....
Chapter 268, "Advancement, Warnings, and Inspections", is the clearest early answer because Cold Beasts finally turns buildup into a real advancement. It opens with The dying Demon Sheep was evidently a bit hysterical. and closes on After signaling for the evaluations to continue, he turned directly.... The key payoff is that it turns Cold Beasts's growth into a concrete upgrade step and sets up the next payoff in the power growth storyline linked to Demon Sheep.
Chapter 261, "The Shock of Peng Bo and Chen Yingyuan, Great Xia Martial Gathering (Part 3)", is the clearest early answer because it turns Aunt Mei's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Liu Ming might simply think that his grandfather is not too... and follows through with Brother Peng, just think of the Xia Hong and Xia Chuan brothers,....
Chapter 300, "Perseverance, Beast Tide Breaks the Barrier (Part 2)", is the clearest early answer because it turns Long Mountain's situation into a concrete plot event. The setup is Everyone heard the words, including Yuan Cheng, and immediately..., but the pressure keeps building through Indeed, although the barricade is ten meters thick, it is still iron....
Chapter 298, "Hou Jing Defects, White Abyss Falls, Zhaoyang's Banner Changes (2)", is the clearest early answer because it turns Cold Resistance Level's situation into a concrete plot event. The chapter gives readers a real answer by opening on Hou Hu naturally believed that he deserved the position of leader,... and ending on For the remaining over fifty thousand people in Zhaoyang, I haven't....
Chapter 267, "Stunned, the Astonishing Zhao Yuankong", is the clearest early answer because it turns Astonishing Zhao Yuankong's situation into a concrete plot event. It opens with It's not just Xiao Hen who thinks this way. and closes on After scattering the crowd, it remained agile; its limbs, tail, and....
Chapter 281, "Yang Li's Suppressed Anger and Hatred (Part 3)", is the clearest early answer because it turns Li Yuanqing's situation into a concrete plot event. The chapter turns that into something concrete by moving from Li Yuanqing and Yang Gan's surveillance and suppression of them had... to With the resources given by Minister, breaking through the Cold....
Chapter 285, "Two Clans in Turmoil—What Does White Dew Gu Want to Guard? (Part 2)", is the clearest early answer because it turns Xia Chuan's situation into a concrete plot event. The setup is It seems to be in response to the decrease in population that there..., but the pressure keeps building through Greetings, Minister!" "Find him a place to stay." Xia Chuan led Xue....
Chapter 282, "Humiliation and the Formation of a New Army", is the clearest early answer because it turns Yang Zhong's situation into a concrete plot event. The setup is Stop!" The two hurried towards the house, and when they were still..., but the pressure keeps building through Oh, the young masters have returned from hunting." "Today's return is....
Chapter 232, "Saving Lives, Putting on an Act, Xia City in Uproar [8,000-Word Chapter, More to Come]", is the clearest early answer because it pushes Leader Peng into a new phase or setting. The setup is Five against two, a fierce battle reignited., but the pressure keeps building through Brother, could you hand over the three children to me first?"....