He is cranialable then not then is, it's all very bugalicious!

<678hp 535m 611mv 1390tnl (91.17%)> cra teh
You hit Tehuti over the head with a mace of electricity.
Your cranial hit hits Tehuti.
Tehuti yells 'Help! Eulinda hit me over the head!'
Tehuti has a few scratches.

<678hp 535m 611mv 1390tnl (91.17%)>
Your shocking bite misses Tehuti.
Your defilement MASSACRES Tehuti!
Your shocking bite MASSACRES Tehuti!
You parry Tehuti's wrath.
You dodge a carnivorous vine's crush.
You dodge the Treant's beating.
Tehuti has some small but disgusting cuts.

<678hp 535m 611mv 1390tnl (91.17%)>
Tehuti deflects your shocking bite with his shield.
Your shocking bite MASSACRES Tehuti!
Your shocking bite MASSACRES Tehuti!
You dodge Tehuti's wrath.
The thorny plant within you has difficulty surviving in this environment.
Tehuti is covered with bleeding wounds.

<683hp 545m 656mv 1390tnl (91.17%)>
Balim has arrived.
Tehuti is covered with bleeding wounds.

<683hp 545m 656mv 1390tnl (91.17%)> cra teh

The Treant rescues Tehuti from you!
The Treant dodges your shocking bite.
The Treant knocks your defilement aside before it gets near it.
The Treant dodges your shocking bite.
The Treant is in perfect health.

<683hp 545m 656mv 1390tnl (91.17%)> He is already dazed from a blow to the skull.
The Treant is in perfect health.

<683hp 545m 656mv 1390tnl (91.17%)>
You dodge the Treant's beating.
You parry the Treant's beating.
Tehuti's wrath decimates you!
You dodge Tehuti's wrath.
You dodge a carnivorous vine's crush.
You dodge a carnivorous vine's crush.
The Treant parries your shocking bite.
Your defilement misses the Treant.
The Treant parries your defilement.
The Treant is in perfect health.

<657hp 545m 656mv 1390tnl (91.17%)>
You parry the Treant's beating.
You dodge the Treant's beating.
You parry a carnivorous vine's crush.
You dodge a carnivorous vine's crush.
Your shocking bite MASSACRES the Treant!
You deliver a blow of deadly force!
Your defilement === OBLITERATES === the Treant!
The Treant dodges your defilement.
You parry Tehuti's wrath.
The Treant is gushing blood.

<657hp 545m 656mv 1390tnl (91.17%)>
The Treant rescues Tehuti from you!
The Treant is gushing blood.

<657hp 545m 656mv 1390tnl (91.17%)>
Balim sings 'I laugh in the face of adversity,
I chuckle as the face of death grins!
With laughter and wine, we will stand divine
Whilst kicked in the knees and the shins!'
The Treant is gushing blood.

<657hp 545m 656mv 1390tnl (91.17%)>
You dodge the Treant's beating.
You parry the Treant's beating.
You dodge a carnivorous vine's crush.
The Treant dodges your shocking bite.
Your shocking bite DISMEMBERS the Treant!
The Treant is writhing in agony.

<657hp 545m 656mv 1390tnl (91.17%)> hit teh
You must MURDER a player.
The Treant is writhing in agony.

<657hp 545m 656mv 1390tnl (91.17%)> cra teh
He is already dazed from a blow to the skull.
The Treant is writhing in agony.

There's a lot more of that, both in and out of combat, and it's very weird.

Cranial as an opening move is like blackjack. You cannot do it repeatedly, and it offers the victim protection against future cranials for a while.