Get a subclass by index. Get a subclass by index. Path Parametersindex string — REQUIREDThe index of the subclass to get. Responses200OKSchema — OPTIONALindex string — OPTIONALname string — OPTIONALclass object — OPTIONALindex string — OPTIONALname string — OPTIONALurl string — OPTIONALnote string — OPTIONALA qualifier for this reference, e.g. a condition immunity that only applies in one form.summary string — OPTIONALdescription string — OPTIONALfeatures object[] — OPTIONALname string — OPTIONALlevel integer — OPTIONALThe character level at which this feature is gained.description string — OPTIONALurl string — OPTIONALupdated_at string — OPTIONAL