the [Guardian] Pheonix descends upon the field
[Ember] as an aura based tank dependent on hella lotta armor and health immolation has lots of damage reduction on top of that
finally cold or thematically fire elemental ward helps you be a tank and damage dealer by being there

how to play:
switch in and out of immolation while keeping elemental ward up as long as possible especially during immolation downtime.