Lighthouse Killing Privilege

"Doctor, your methods are truly astounding. A mid-stage Tier 3 became high-stage in the blink of an eye!" the Shadow Tower Master praised.

The process of growing stronger in Lighthouse Space was unpredictable. Many methods benefited oneself but were useless to others, or even harmful.

Take the Poison Zombie Tower Master, for example. He absorbed all kinds of yin energy and miasma, specifically devouring Zombies and blood puppets to replenish himself. But to some people, zombie flesh and blood was highly toxic.

Yet Wu Heng had not even carefully asked about the young man's abilities and traits before directly strengthening him.

Wu Heng smiled at this. "You flatter me, Shadow Tower Master. They're merely some special methods. They only work the first time on those below Tier 4, and they require special materials. The materials are limited, so they can't be used many times."

"That makes sense!" The Shadow Tower Master nodded. "I heard that only Association Heads can access methods capable of mass modification and enhancement."

"Still, they aren't very effective on those above Tower Master level. They only work below Tower Master level. Exchanging for them would likely require paying an enormous price!"

Wu Heng fell into thought upon hearing this. He still did not know whether those Association Heads had, like him, established personal hells and achieved hell rank, or relied on other methods.

However, from the Shadow Tower Master's words, he had almost confirmed that so-called Association Heads were hell rank.

Because only hell rank could forcibly interfere with souls and thoroughly enhance and alter living beings.

Wu Heng had not used Blood Floss in his modification of the young man just now. He had considered the special nature of Blood Floss modification and wanted to prevent those Association Heads from noticing.

"Also, in Lighthouse Space,