I am a goodie conjurer.

c 'conjure demon' harmentia
A monstrous demon arrives, ready to expel its rage!
A steel-eyed harmentia demon is kept at bay by your a thaumaturgic circle.

<848hp 621m 747mv 19712tnl> con demon

A steel-eyed harmentia demon snarls with rage and bounds towards Merandir and attacks!
You yell 'Help! I'm being attacked by a steel-eyed harmentia demon!'
A steel-eyed harmentia demon's slice MANGLES you!
A steel-eyed harmentia demon is in perfect health.

Circle was still there but he attacked anyway.

Then after me fleeing around and conjuring up an archon.(still standing by a thau circle)

A steel-eyed harmentia demon has arrived.
You feel solid again.

<645hp 311m 747mv 19702tnl>
A steel-eyed harmentia demon snarls with rage and bounds towards a luminous archon and attacks!
A luminous archon yells 'Help! I'm being attacked by a steel-eyed harmentia demon!'
A steel-eyed harmentia demon's slice MUTILATES a luminous archon!
A steel-eyed harmentia demon snarls with rage and bounds towards Merandir and attacks!
You yell 'Help! I'm being attacked by a steel-eyed harmentia demon!'
Your shield blocks a steel-eyed harmentia demon's slice.
A steel-eyed harmentia demon is in perfect health.

His melee attacks was direceted at the archon but spells at me I belive.

Bug or by design?

>You yell 'Help! I'm being attacked by a steel-eyed harmentia
>demon!'
>Your shield blocks a steel-eyed harmentia demon's slice.
>A steel-eyed harmentia demon is in perfect health.
>
>His melee attacks was direceted at the archon but spells at me
>I belive.

Looks like his melee attacks are directed at you.

>Bug or by design?

By design.