Promise — [s5e3]

A deadly vow to Lex that Lana will be at the altar, and a threat to Lana that he will kill the man she loves.

This move solidified Lionel’s status as the show’s most complex figure—is he acting to protect Clark’s secret, or is he simply the "Magnificent Bastard" ensuring his family’s power? KryptonSite notes that this episode marked the character's return to his full, manipulative glory. [S5E3] Promise

The true MVP of this episode isn't the groom or the hero; it’s . Just as Lana prepares to leave Lex for Clark, Lionel intervenes with a chilling threat. He reveals he knows Clark’s secret and his one weakness, promising to kill Clark unless Lana goes through with the wedding. A deadly vow to Lex that Lana will