Just an idea

[DatCatBeta the Kobold]

boss concept art (robot dragon)

Spoiler: art & patterns

View attachment 349529
post plantera
no name yet (recommendations welcome)
phase 1 has no cracks
stays to the side of the screen

Laser
low damage
high fire rate
fast projectile speed
low knockback
phase 1&2

Fireballs
high damage
med fire rate
slow projectile speed
low knockback
phase 1&2

Missile
high damage
low fire rate
high projectile speed
med knockback
phase 2

Tornado
med damage
low fire rate
low projectile speed
high knockback
phase 2

probe
med damage(inactive)
high damage(active)
high fire rate
low projectile speed
med knockback
phase 2
Activates/deactivates every 5-10 secs