However, he was stopped in his endeavor by Scarlet Witch's magic. Glaive used his weapon during his subsequent duel against Vision. As such, when Vision fired an energy beam at him, Glaive used his scythe to deflect the blast and turn it against Vision himself.

How did Corvus Glaive stab Vision?

Attacking Vision from behind with his spear, and stabbing him right through, Corvus downed Vision so that he could use the tip of his spear blade to remove the Mind Stone from where it was embedded in his head.

What does phasing mean on Vision?

To summarize, Vision's phasing and flight are likely the result of the Mind Stone's ability to control quantum tunneling. He phases by causing his own body to quantum tunnel through objects and flies by controlling the location of a strong electromagnetic field.