Invincible Tubba Blubba HP:10 attack power:4 def:X
avoid him

Tubba Blubba's Heart HP:50 attack power:6/12 def:0
This is Tubba Blubba's Heart! It is the reason
Tubba Blubba is invincible and if you defeat it
you might have a chance of defeating the
"Invincible Tubba Blubba!"! Just keep using
Power Jump and Bow's Smack to deal damage to it.
Use Boo's Outta Sight move when you see the Heart
charging up for his next attack.

none invincible Tubba Blubba
HP10 attack power:4 def:0

The Tubba Blubba with his heart is quite different
and is now quite weak. He has low HP and you
should be able to defeat his weak form within
no less than 2 turns.