No, His descent is not a truth. It hasn't yet happened.Mt.26:64
Jesus saith unto him, thou hast said nevertheless I say unto you, Hereafter you shall see the Son of man sitting on the right hand of power, and coming in the Clouds Of Heaven.
Jesus describes His ascension from Dan.7:13,sitting on the right hand of power.
He ascended in Acts1 in the clouds.
Dan7 describes the Heavenly view of it.
They knew that described the Messiah so they proceeded to crucify Him.
When those who pierced Him saw the destruction of Jerusalem in their lifetime.they understood mt.24 was fulfilled just as He said it.Rev.1:7
These are truths that you post against.
Jesus did NOT say He was returning 2 times. There's not one quark of Scriptural nor historical proof of this.