What is the max damage fire skill

Will it be firewall or meteor?

Can damage be stacked for either one of the skill? Meaning if I lay 2firewall at the same spot it can do double damage?

Firewall damage stacked on D2R release, but they “fixed” that, so it no longer does. Meteor burn damage stacks, but is the smaller part of the damage anyway.

Do you think max out meteor or firewall gives more dmg?

The merc using delirium helm can be my meat wall causing a lot of confused cows.

Firewall is trash tier. Meteor is where it’s at. Or possibly Hydra.