Harry ground his teeth together as he threw spells against Death Eaters and Dementors and so was she. She used another explosion potion, threw it in the air, and hit it with a spell. It rained down on the Death Eaters like acid and they started to scream and drop their wands. That gave Hughes enough time to cast the magical net and it fell over Bellatrix. Not only did it allow for her to be trapped, she couldn’t apparate with it.