You and the terraria bossess are in a room you can change where they are

This is my firzt talkie Plants:Peashooter, Sunflower, Wall-nut, Cabbage-pult, Bloomerang, Iceberg Lettuce, Bonk Choy, Repeater, Kernel-pult, Snapdragon, Coconut Cannon. Laser Bean, Citron, Sun-shroom, Bowling Bulb, Hot Potato, Red Stinger, Phat Beet, Primal Peashooter, Moonflower Squash, Jalapeno, Hypno-shroom, Pea-nut, Homing Thistle, Ghost Pepper Snow Pea, Power Lily, Torchwood, Imitater, Chomper, Cold Snapdragon, Gold Bloom, Caulipower Pokra, Imp Pear, Olive Pit, Turkey-pult Fila-mint, Pepper-mint, Winter-mint, Reinforce-mint, Bombard-mint.