Quote Originally Posted by Sebazy View Post
The only way to know these details is via direct or indirect parsing.
You learn a Summoner's abilities by playing the job, not by parsing. You learn about your abilities by reading the description, not by parsing.

Ruin II, among other abilities, can be used while your dodging because of instant cast, Ruin I for MP conservation.

Titan can be used in a dungeon, under the right circumstances & with the proper control.

This knowledge comes from experience, not parsing.