After discovering Caeneus was invulnerable to swords and spears, these creatures (10[1])buried (10[1])him under a pile (10[2])of tree trunks and stones. One of these creatures named Pholus opened one of their sacred wines for (10[1])Heracles. (10[1])In one origin story, (10[1])these creatures were fathered by Ixion (“ick-SIGH-on”) with the cloud (-5[1])nymph (10[1])Nephele. (-5[2])These creatures (-5[1])fought a namesake war with the Lapiths (10[1])of Thessaly. (10[1])A wise one of these creatures (10[1])gave up his immortality in exchange for Prometheus’s (10[1])freedom after being struck with a poisoned arrow. That one of these creatures trained (10[1])heroes like Jason and Achilles (-5[1])and is named Chiron. (10[1])For 10 points, name this race of mythical human-horse hybrids. (10[1])■END■ (10[2])