I can't deal damage on shadow of a dragon
Did you summon the entire ring of fire?
The boss can only be damaged when there is a big ring of fire all the way around the arena where you fight him AND a smaller ring of fire around his head where it is popped up from the floor.
I’ve completed that story part four times and 3 out of the 4 I had issues hitting the dragon’s head. The hitbox is really buggy where melee attacks don’t hit him. The way I did it as warrior was using long bow and rifle, most of my damage was from burning. What you do is follow your projectiles as you shoot at him then stand where your projectiles are shooting straight up and you should hit him more often. Not sure how common this bug is but there’s been a few bugs with these stories like challange mote not appearing in “Meeting the Asura”.
[Trillmatic][SPCA][xmas]
Use a targetted range weapon that shoots projectiles. Melee weapons and many untargetted range skills (icebow 4, for example) no longer work because his hitbox seems to now be very small, high off the ground, and on his constantly moving head.
If you use the timewarp that one of your allies gives you, you can still comfortably finish this in two rounds.
Try doing it on a character with high hitting ranged.
I did it on a zerker mesmer, took me 4-5 rounds of fire because DPS doesn’t exist without phantasms
Doing it in a group also helps.