Edges' spells, items.

[Quino]

A guard of Onslaught traces an arcane rune and starts chanting, 'Chronlir athahei alasse.'
A guard of Onslaught calls forth a power of apocalypse upon you!
A guard of Onslaught is gushing blood. [49% - 25%]

I have resisted spell (fatigue?) but no message was echoed to me and everyone else.

next,

.. this object, the diamond flamberge "Ragnarok", is a sword,
...
It cannot be used by those of darkened soul.
...ident skipped

But Overlord, who holds it is evil.

[Sirrion]

By design.