Phoenix

The phoenix is a flying, magic focused species. They have a unique passive that allows them to turn into an egg upon death, which, if not destroyed, will allow the phoenix to revive.

Combat
The Phoenix can combine the Explosion skill with their innate ability to turn into an egg upon dying, making it able to effectively nuke entire teams. Keep in mind, however, that the Explosion skill can damage your own units as well. Use it with caution.

The Phoenix will not receive Morale losses nor injuries when turning into an egg. Consider taking advantage of this when in the arena.

Another interesting combo is using the Phoenix with the Martyr skill, which can be gained by when breeding an Angel or a Nephilim. Using this combo, the Phoenix effectively turns into a support unit.

Keep in mind, that the egg form can be dispelled with the Cleanse skill. This revives the Phoenix instantly.

Playing against
The opposing Phoenix unit can and will use the Explosion skill. Consider baiting the Phoenix into killing its own units, by entangling one of your more sturdy units between your enemies. You can also try to nuke it down. Just make sure you can defeat it in one turn.

Disabling the Phoenix with seduction isn't a particularly good strategy because of the Agile trait, which comes with all Harpy units except Dragon Girl.

Keep in mind, that your opposition can revive the Phoenix from egg form with the Cleanse skill.

Trivia

 * They carry an egg, magically bound to their life, from witch they hatch again when they die. They need protection while hatching. After hatching they can immediately produce a new egg.
 * Their wings produce a high amount of heat in addition to their body heat, which makes sex usually very sweaty and exhausting for their partner.