This spell does not have a direct equivalent in vanilla.
Monster Summoning II
Level: 2
School: Conjuration
Range: Medium
Duration: 3 turns
Casting Time: 1 round
Area of Effect: Special
Saving Throw: None
By means of this spell, the caster summons a number of monsters, which serve the mage under any conditions. The type and number of creatures that appear depend upon the level of the wizard casting the spell. The summoned creatures will remain under the wizard’s control until they are slain or the spell duration expires.
3rd : 2 green slimes
5th : 3 green slimes
7th+ : 4 green slimes
Green Slime (2 Hit Dice):
STR 14, DEX 9, CON -, INT 3, WIS 3, CHA 3; AL Neutral
HP 16, AC 10, THAC0 15, Saving Throws 13/15/13/17/15
1 Attack Per Round, 2d4 Acid Damage (Pseudopod)
Special Qualities:
Immune to backstab
Immune to charm, confusion, disease, hold, poison, sleep & stun, effects
Electrical Resistance 100%, Acid Resistance 50%
Missile Resistance 90%