Khadgar does not have his abilities unlocked

[attila123]

Windows 10
Install path: now it's in C:\wargus and used the Wargus-portable-3.3.2.exe installer.
Using setup_warcraft_ii_2.02_v4_(28734).exe (gog Battle.net edition) as the linked video shows at https://stratagus.com/ .
Extraction log: see at #719

Warcraft 2: Beyond the Dark Portal - Human Mission 11: Dance of the Laughing Skull

See e.g. https://youtu.be/a7RR3xg6RMw?t=104 Khadgar definitely should have all its abilities unlocked, e.g. the Blizzard ability would be crucial for this level.

In Wargus he just have the basic abilities:

Not sure about the other heroes.

This makes this level basically unwinnable I guess, due to being quite outnumbered. Or at least quite a lot harder.

Initial savefile for reference:
11a.sav.gz