Emberheart is a Demon Unique ring with no boss attached: it drops in Adventure Mode once you are level 3 or higher, and keeps dropping there however far you go. Every copy is item level 8, and there 0.9% of what falls comes up Unique. It is built on Emberglass Ring — step 1 of the Emberglass Ring line, item level 1 and up.

It always rolls the same numbers: Counts as +1 Fire for upgrade eligibility, +4% Fire Damage, +7% Burn Effect, +5% Power, +3% Critical Chance and +9% Fire Damage.

One Unique drop in 40 is a Mythical copy: the same item carrying 15–25% Mythical Energy that boosts every stat on it and can never be changed; the 15% floor is 10 times as common as the perfect 25%.

On top of that it carries Emberheart — Your Main attack applies Burn.

It leans into Burn.

“A gate ember set in glass; it beats when you do.”