Actually, AdBLock Plus can't block ads manually but the moderators provide us rules for blocking almost any ads except for very few sites I can't remember already.
I also checked kissanime.com because of the one mentioned above, Played one anime but the ads are actually blocked, only their hide buttons are visible.
As for the heating of your hardware, It's because of the ram being used, More ram used, More processes work, That's where your laptop gives off hot air