About: http://webisa.webdatacommons.org/17489866

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	Spells that provide bonuses or penalties on attack rolls, damage rolls, saving throws, and other attributes usually do not stack with themselves.
http://www.w3.org/ns/prov#wasQuotedFrom	d20pfsrd.com