It’s ironic because Abigail encouraged the witchcraft to happen in the first place and is the first to accuse everybody else of it before admitting to it herself

It’s ironic because Abigail encouraged the witchcraft to happen in the first place and is the first to accuse everybody else of it before admitting to it herself.
Abigail manipulates Mary Warren into giving the poppet to Elizabeth. The doll is later taken in as evidence of the harm Abigail says Elizabeth committed on her. Abigail does this in hoped of convicting Elizabeth of witchcraft to get back at Proctor for denying her.
Abigail pretends she’s angry at Elizabeth for damaging her reputation. She resorts to name calling in order to cast doubt in John’s name.
Abigail presents her manipulative personality when she’s alone with John Proctor.
She once again reveals her manipulative personality by making the court believe she sees Mary Warren’s spirit circling the room.