In SpellForce: the Order of Dawn, on Windholm map near Heroes Rune Monument triple goblins are habitted. All of them posess with summoning spiders action, this might be spell that have been put in the game long ago and maybe it exists in Gamedata.cff file
Not an issue
Real "Summon spider" spell is actually "Summon Skeleton - level 101" spell, which is posessed by "Spiderwhisperer" goblin in "Creatures/Goblins (and others)/Spiderwhisperer"
In SpellForce: the Order of Dawn, on Windholm map near Heroes Rune Monument triple goblins are habitted. All of them posess with summoning spiders action, this might be spell that have been put in the game long ago and maybe it exists in Gamedata.cff file