Elf, through Mnemosyne's spiritual enlightenment, created this super magic technology. It allows a self-igniting, one-time portal to be easily unfolded via pre-injected magical energy, permanently bound to the portal frame of a specified target door frame.

精灵 经由谟涅摩绪涅 点化创造的超级魔法科技。可以通过预先注入魔力轻松展开一道自点燃，一次性的绑定到指定目标门框的境门框架。