السلام عليكم ورحمة الله وبركاته Is there a opinion that blood is pure even in big/large amounts I heard Ibn taymia had this opinion but I tough there is ijma it’s najis

Ustadh AbdulAziz al-Haqqan

Well, this is good research that we can make. However, from the top of my head, what I recall is that Shaykh al-Islam ibn Taymiyyah said that blood is impure.