Seer of heart being able to see everyones true selves could lie to others about who people really are and have people easily believe them, because theyre the seer of heart. This could absolutely destroy a session. But for a more hands on approach they could see your true motivations and passions and use those against you, bringing up your deepest insecurities in battle to make you weaker.

Indeed, but we actually see something like this- Meulin is said to be able to tell what relationships would work together and gives good advice when it comes to shipping- But as we see with Horuss, where she tries to emulate the Meowrails and pretty much imposes herself on him and makes him look cute so she can tag along, she can be quite selfish and force people to do things just for the looks, while selling it as real Shipping advice.