In my fantasy WIP, one of my major characters, Rin is a ninja/spy for the Empire who is a pretty paranoid and is very claustrophobic. In the opening chapter, she nearly has a panic attack because she keeps imagining arrows and other forms of attacks coming her way. Plus she's in a forest so she believes that the trees are closing in on her if she stays still too long. But my question is, what are some techniques to deal with these disorders? To avoid the panic attack I have her reciting a three phrase mantra and some breathing techniques taught to her by her "therapist" Master Yamada. Are those techniques enough for her to be capable in the field? Or are there more ways to overcome these disorders?