So he swore oaths to her: “Whatever you ask me I will give you, up to half my kingdom. ”Immediately she hurried to the king and said, “I want you to give me John the Baptist’s head on a platter—right now!” Mark 6:23,25 HCSB
"If you harm her, you will have to kill me." Legolas' first open defiance of his Father shocks Thranduil. who is already dismayed by his own treatment of Tauriel when she accused him of "lacking in Love"...Ironically it is Thranduil, not Legolas, who comforts Tauriel after the death of Kili.