Li Chen immediately asked Wu Ding, "How do I use this?"
Wu Ding said, "Inject your magic power into it, then follow its guidance to release it. That will let you cast its built-in Thunder Dao spell, 'Nine Heavens Divine Thunder.' You can control how much magic power you inject yourself, as long as it exceeds a certain threshold."
"Oh, right. It has two modes, 'impact' and 'continuous discharge.' You can select them yourself using your divine sense."
Li Chen did as instructed. Sure enough, once he injected a trace of magic power, the entire talisman immediately lit up. Then, guided by his divine sense, it unleashed a bolt of lightning over ten feet long.
Boom!
Fortunately, Li Chen had not put much magic power into it, so it only left a small, shallow pit in the ground. Still, the edges were scorched black and parched, as though genuine heavenly lightning had struck them.
Bzzzz!
Li Chen injected another trace of magic power. This time, an electrical arc connected to the wooden table, sizzling as it burned continuously.
It really was foolproof to operate: simple modes, with power adjustable at will.
Li Chen's eyes lit up. "This is a kind of black-box technology. It can convert primordial energy and magic power of any nature into thunderbolts or electrical currents..."
"What's more, it seems to have a mechanism for drawing on heaven and earth vital energy. It's a genuine magic treasure. If just a trace of magic power produces this much force, what would happen if I went all out?"
Wu Ding hurriedly said, "You mustn't try that here! I've tried before, and even with my late Qi Refining cultivation, I couldn't push it to its full limit. This is a true Foundation Establishment treasure, with an upper limit comparable to