From The Heroes of Might and Magic III wiki

Planeswalkers are the Might heroes of the Conflux town.

All Planeswalkers start with the following Primary Skills:

• Attack of 3
• Defense of 1
• Spell Power of 1
• Knowledge of 1

They have the following chances of getting +1 in a certain primary skill for each level up:

Primary skill chances for Planeswalkers

	Attack	Defense	Spell Power	Knowledge
On levels 2-9	??%	??%	??%	??%
On levels 10+	??%	??%	??%	??%

[edit] List of Planeswalkers

• Pasis
• Thunar
• Ignissa
• Lacus
• Monere
• Erdamon
• Fiur
• Kalt