Spell Knowledge

 
Prerequisite(s): Character Level 21+, Ability to cast spells of the maximum normal spell level of an arcane spellcasting class
 
Benefit: The character learns two new arcane spells of any level up to the maximum level he or she can cast. This feat does not grant any additional spell slots.
 
Special: A character can gain this feat multiple times.
 
Source: Dungeon Master's Guide, Epic Level Handbook