If the arm is covered in armor not meant to accommodate the change in limb size, the limb change does not take place.
It might sound weird getting a tree tatted on your calf.
Punk got the logo of the band on his left bicep.
Remember that calf tattoos help change your whole outlook and will help you achieve the tattoo look of your dreams.
For example, a tattoo of the frozen fist would become much stronger if drawn using ice aligned ink.
Spells such as raise dead generally keep the tattoos intact, given that the limb is still present.
But, you can get the tattoo tatted in different ways on your calf.
If this tattoo is created using fire elemental ink, attack rolls with this spell are done so with advantage.