Robe Magus (Apath)

Unofficial rules compendium

A forcerobe considers himself an elite magus, a true swordsmaster wizard, not encumbered by armor.

Weapon and Armor Proficiency

A spellknight is proficient with all simple and martial weapons. Spellknights are not proficient with armor or shields and suffers normal arcane spell failure chance when casting magus spells while armored.

Mage Armor (Ex)

Add mage armor to the spellknight's spell list as a first bard bard spell and as a known spell. At 7th level, and every 2 levels thereafter, the armor bonus provided the spellknight when he casts mage armor on himself (not on others) increases by +1. This replaces the medium armor and heavy armor class abilities.