A Poky is an invulnerable spiked object that moves in a straight line either horizontally or vertically. It is always encountered along with other monsters and will be automatically destroyed when the regular enemies in the room have been defeated.
It is immune to projectile attacks and bombs, but can be stunned or slowed by items such as Spider's Bite. It can also be frozen by the effects of Mom's Contacts. It can also crush other enemies by running into them.
Unlike Pokies, Slides will attack as soon as the player lines up with them. Otherwise, they are stationary. They slide (hence the name) across the floor at incredible speed, only stopping if it hits the wall, a rock, or other Slides. They will damage any enemy that hits it.
Any rock or other solid object (like a Stone Grimace) in front of it will prevent it from attacking Isaac.
These usally spawn in 4 corners of a room, near the center of the room, or sometimes replacing the Poky found in the Loki boss fight.
A way of avoiding this enemy is to trigger it, send it sliding, then go to where you need to go, it cannot slide at you when it is already currently sliding in another direction.
A Slide will not be removed even upon clearing a room.
- This enemy (especially the Slide) is a direct reference to the Legend of Zelda recurring enemy known as Blade Trap, which works in exactly the same way in the original game. In subsequent games, most notably in Ocarina of Time, it moves on its own, bouncing back and forth between two walls.