The Fall of Brekhan
Rules for Summoned Creatures
Rules on creating summoned creatures can be found here Summoning Spells
Templates of a variety of summonable animals can be found here Summon Animal Templates
If the creature has a summoning roll, that roll can only be made once per day. If it is failed, the creature is not available for the next 24 hours. On a success the creature appears next to you, and will remain as long as you maintain them every minute.