This is not great

https://preview.redd.it/u7iljeki4hge1.png?width=1615&format=png&auto=webp&s=30760ca89c403861467a76e3b2e2fc86bd8bc6e2

Is there anyway to make this better? Maybe like a feat? I want to make a defensive wizard but am having trouble finding a way to do it. Help is appreciated!