Intelligence

 is a stat in Demon's Souls. Raising it increases maximum MP and Spell Memory. (Max of 6 memory slots)

Leveling up Intelligence past 50 will not grant any more increases to Spell Memory. The player needs at least 10 Intelligence to be able to learn spells from Freke's Apprentice, Sage Freke, or Yuria the Witch.

知力 Интеллект