Ophelia (Thanatos) is a 5 stars Wind Fighter esper in Dislyte.

A powerful version of Tang Yun and can deal a lot of damage with her skill 2, especially if you have a lot of buffs and debuffs on your team. The biggest difference between her and Tang Yun is that her pursuits are guaranteed to proc. Also, she gains an extra turn if skill 2 kills someone. You will want to bring units like Ye Suhua, Lin Xiao, Gabrielle or anyone who can provide lots of buffs and also apply many debuffs on the enemy to take advantage of the bonus damage gained.

Her skill 3 hits hard due to the pursuit attacks and can also land defense break. This attack will target someone else if the enemy dies. This is the upgraded skill of Tang Yun's skill 3 since he doesn't target someone else.  Her skill 1 can apply bleed, which can help with her skill 2 as well.

Overall, she is a very strong DPS if you are in need of a wind type attacker. She is a bit harder to max out due to legendary abilimons being scarce. However, if you can max her skills out, she definitely will outperform Tang Yun in terms of consistent damage out put.