Ars Magica 2 Wiki

Extra Summon is a Talent  in Ars Magica 2 that, when unlocked, will increase the player's Summon Cap by one.

Extra Summon is found in the Occulus 's talents tab and requires a red Skill Point to be unlocked.

Summon Cap

Ars Magica 2 allows the player to acquire partners thought the use of a Summon  or Charm  spell, or by befriending a Light Mage - if the Mage Posse talent is unlocked. The amount of partners a player can have is normally limited to one (Most likely for balance and stability).