Many explore cards spawn a special type of monster known as creeps. Creeps are not part of the spawning pool and are spawned only by drawing explore cards. When an explore card is drawn it indicates the number of creeps that are spawned.
“Driven mad by their curse, Rabid Squirrels attack in packs, swarming over unsuspecting Heroes...Rabid Squirrel
“Giri are capricious faeries, even when not under the influence of the Dark Consul. Lovers of...Giri