Hour of Twilight (v13.1)

[raggahc1]

In the Hour of Twilight dungeon: In the BOSS [Arcurion]

Arcurion

Arcurion's icy grip reaches out at his current target, inflicting (percentOfSpellPower_format, 100) Frost damage. In the NPCs category. Always up to date.

www.wowhead.com

when he casts the spell [Frozen Tomb]

Icy Tomb

Encases the target in ice stunning them until the tomb is destroyed. In the NPC Abilities category. A spell from World of Warcraft: Cataclysm.

www.wowhead.com

to the target, which is Thrall, the ice block comes out friendly which the characters cannot release.

 

[Maze]

Run this query to fix that.

UPDATE creature_template SET minlevel=85, maxlevel=85, faction_a=14, faction_h=14 WHERE entry=54995;

You can then fix the hp at your convenience from creature_template > Health_mod.

 

[ExO]

Fixed on V14.
Thanks to @Mazi