Make the tarthans unique by giving them access to an Expert Spell Book: Nature at game start. Other races can access this book but they need to research it: Expert Spell Books > Nature. Program the AI to use this spell book in battle.
Nature refers to magic that allows you to call upon the creatures of the forest.
- Barkskin (tactical) - +5 AC Bonus
- Summon Wolf
- High Grass (tactical) - Grass 8 fee high grows in one title, attack range of units in this tile is reduced to zero
- Thorn Grass (tactical) - 6x6 tile that reduces movement rate of units by 1.
- Summon Bear
- Summon Wolf Pack
- Summon Bear Clan
- Summon Wolf Horde