Grammar / Tense / Second future

Second future is a rare form of future.

Example

• καὶ τότε ἀποκαλυφθήσεται ὁ ἄνομος ὃν ὁ Κύριος Ἰησοῦς ἀνελεῖ τῷ πνεύματι τοῦ στόματος αὐτοῦ
  And then the lawless one shall be revealed, whom the Lord Jesus shall slay with the breath of his mouth