About: http://webisa.webdatacommons.org/236057084

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Based on information from xxKegeR1o1xx, simply completing all the rounds of the Fort Ghost, Cemetery Catacombs, and Save the Princess should be enough to encounter all enemy types and earn you this achievement.
http://www.w3.org/ns/prov#wasQuotedFrom	xboxachievements.com