Taming.io Best killing boss pets?

Dragon egg boss: 44 secs
Gaze boss: 9 secs
Tree Boss(forest) : 1min 23 secs
Ice dragon boss: 12 secs
Ice golem boss: 55 secs
Tree Boss (winter) 48 secs
Spectrum boss: 18 secs
Mushroom Boss: 1min
Tree Boss (Dark Forest) 55 secs
Cactus: 1min 5secs
Rock Golem: 2mins 34 secs
Octopus: 1min 32secs