He probably wanted you to beg him back or at least cry a little in front of him. But you did neither so he didn’t get any closure. You didn’t either though so it was not a good break up and this was all his fault.
I am proud of you for being so strong. Hopefully you won’t give him the time of day. Not doing anything lets him know he isn’t worth even mentioning.
I am sorry you had to go through this and I am happy you went through it now instead of later.
Having to go get the things you left allowed you to see this whole other side of him so be happy you did leave it so you can see what he is made of and is capable of.

I wish you well!