The npc at the entrance to the dungeon
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They are not, which 1 npc is important to follow the chain of missions to be able to do the dungeon in Heroica, the npc is
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who gives missions.
In addition, Kalecgos after the cinematics that are inside the dungeon, does not give the mission
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which is the key to access Heroic mode
Imagen de que pasa si no lo completas, la mision ID: 29685, no se puede entrar en modo Heroico. La mazmorra es muy frecuentada debido a que Kaelthas tira:
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video of how it should work:

Magisters' Terrace
Magisters' Terrace is a 5-man instance located on the Isle of Quel'Danas. The instance features four bosses: Selin Fireheart, Vexallus, Priestess Delrissa and Kael'thas Sunstrider himself, who has returned despite his "defeat" in Tempest Keep: The Eye.

They are not, which 1 npc is important to follow the chain of missions to be able to do the dungeon in Heroica, the npc is

Exarch Larethor
Exarch Larethor is a level 26 - 30 NPC that can be found in Magisters' Terrace. This NPC can be found in Magisters' Terrace. In the NPCs category.


In addition, Kalecgos after the cinematics that are inside the dungeon, does not give the mission

Hard to Kill
Kalecgos has asked you to defeat Kael'thas in Magisters' Terrace. You are to take Kael's head and report back to Larethor inside the Magisters' Terrace.


Imagen de que pasa si no lo completas, la mision ID: 29685, no se puede entrar en modo Heroico. La mazmorra es muy frecuentada debido a que Kaelthas tira:

Orb of the Sin'dorei
This blue armor of item level 24 goes in the "Equipable Spell - Defensive" slot. A toy box collection item. It is looted from Selin Fireheart.

video of how it should work: