This item is acquired in-game. See its sources below.
A Rare Miscellaneous, item level 1, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
Sinheart uses icon file 3386971, which 30 other items also use. The 8 closest by item ID:
Timeworn Sinstone ID 181549 · MiscellaneousAmalgamation of Sin ID 180376 · MiscellaneousAmalgamation of Sin ID 180374 · MiscellaneousAmalgamation of Sin ID 180373 · MiscellaneousAmalgamation of Sin ID 180372 · MiscellaneousAmalgamation of Sin ID 180371 · MiscellaneousAmalgamation of Sin ID 180370 · MiscellaneousAmalgamation of Sin ID 180369 · MiscellaneousBlizzard numbers items as they are created, so the named items next to ID 181555 (181549 to 181564) were usually added in the same batch as Sinheart: the same quest line, zone, vendor or reward set.
Timeworn Sinstone ID 181549 · Miscellaneous
Hopebreaker's Field Injector ID 181550 · Miscellaneous
Depleted Stoneborn Heart ID 181551 · Miscellaneous
Collected Tithe ID 181552 · Miscellaneous
Gift of the Lich ID 181553 · Consumable · item level 145
Tribute of the Court ID 181556 · Consumable "Contains valuable items released from the vaults of the Court of Harvesters."
Favor of the Court ID 181557 · Consumable "Contains valuable items released from the vaults of the Court of Harvesters."
Missing Ritual Pages ID 181558 · Key "These pages look ripped out of a necromancer's spellbook from the House of Rituals."
Decree: Mikanikos's Boon ID 181563 · ConsumableDecree: Mikanikos's Esteem ID 181564 · ConsumableThe raw ItemSparse values for item 181555 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB