Spider Summoning Rune

Trigger A creature that isn't wearing a religious symbol of Norgorber enters the area above the rune

Effect The trap summons a Goliath Spider. The goliath spider rolls initiative and remains for 2d6 rounds, after which the spell ends and the spider disappears. The spider also disappears if someone disables the trap before the duration expires. Unlike most summoned creatures, the goliath spider can use 3 actions each round and can use reactions.