>>14117109The sword in that context is symbolical for His words. The cross looks like a sword piercing the ground. He will pull out the sword (His words) and He use it to judge us when He comes back.
Heb 4:12 For the word of God is living and effective and sharper than any double-edged sword, penetrating as far as the separation of soul and spirit, joints and marrow. It is able to judge the ideas and thoughts of the heart.
Acts 17:30 “Therefore, having overlooked the times of ignorance, God now commands all people everywhere to repent,
Acts 17:31 because He has set a day when He is going to judge the world in righteousness by the Man He has appointed. He has provided proof of this to everyone by raising Him from the dead.”
Rev 2:16 Therefore repent! Otherwise, I will come to you quickly and fight against them with the sword of My mouth.