Nesekem, the Herald - Mythic Unique - Diablo IV Season 15
Nesekem, the Herald is a Mythic Unique Glaive in Diablo IV Season 15 for Spiritborn. It drops from Duriel, King of Maggots, Andariel (Echo of Andariel), Harbinger of Hatred, The Butcher, Belial, Lord of Lies.
Unique power
Every 2 seconds, you randomly mark a Nearby enemy. Marked enemies are Vulnerable, and your attacks against them are guaranteed to Critically Strike. Hitting a marked enemy 10 times clears the mark from them.
Affixes
+Weapon Damage ([103.6 - 172.7])
+% Vulnerable Damage Multiplier ([8 - 14]%)
Where it drops
Cube 'Upgrade Direct Item to Mythic' does not apply (already Mythic)
Season Rank rewards: 5 Mythic Unique Caches + up to 10 Resplendent Sparks
Jeweler Rune Crafting produces a random Mythic of the slot (no Crafted tag)
Echo of Mephisto: 3.2.1 'Increased overall loot quality for Echo of Mephisto, including a guaranteed Mythic Drop'.
All Greater Lair / Uber bosses (Torment I+; Duriel, Andariel and Harbinger of Hatred have 2x Mythic drop rate) - one guide S15
Kurast Undercity: Mythic Tribute of Armaments (Amalgamation: 5x Greater Tribute of Armaments -> 1x Mythic Tribute) targets Mythic drops.
Jeweler Rune Crafting: 2 Resplendent Spark + 6 Yul + 6 Wat + 6 Tal (one guide, older recipe); 3.2.0+ Jeweler crafts a random class Mythic by slot
Horadric Cube > Amalgamation: 5x same Boss Trophy -> random Unique from that boss, with 'a small chance these crafted Uniques will become Mythic quality' (Crafted tag).