The first approach he tried, the most basic and simple, was chain explosions, or rather, sympathetic detonations. This involved targeting the same kind of Spirit Talisman, with several activated to function simultaneously.
Lei Jun first experimented with the Blazing Flame Talisman. After his Comprehension improved to the Clear Insight level, many of his earlier research difficulties were effortlessly resolved. Lei Jun's ideas gradually took on a practicable form.