I've been webbed by an invoker. I'm fighting a crocodile, who takes ~injures from melee. I critical hit, and webbing negates the attack. Then, the next regular melee attack that finally hits is critical-sized, bypassing damage reduction. This is part of a combat log:

(27100tnl) (civilized/outdoor) 11 PM > wield honor
crit

Your poisonous bite injures an angry crocodile.
You keep an angry crocodile at bay with your polearm.
An angry crocodile has some small but disgusting cuts.

(27100tnl) (civilized/outdoor) 11 PM > You stop using a jade polearm filled with green liquid.
You wield a stout polearm, 'Maclochlan's Honor'.
A stout polearm, 'Maclochlan's Honor' feels like a part of you!
An angry crocodile has some small but disgusting cuts.

(27100tnl) (civilized/outdoor) 11 PM > You recognize a weak point in an angry crocodile's defenses and strike!
Entangled by tenacious webbing, your attack with a stout polearm, 'Maclochlan's Honor' is halted shy of an angry crocodile.
An angry crocodile has some small but disgusting cuts.

...(webbing negates critical hit)

(27100tnl) (civilized/outdoor) 11 PM >
Entangled by tenacious webbing, your attack with a stout polearm, 'Maclochlan's Honor' is halted shy of an angry crocodile.
You dodge an angry crocodile's bite.
An angry crocodile has some small but disgusting cuts.

(civilized/outdoor) 11 PM > where

...(next regular melee hit that lands bypasses damage reduction)

Your chop MANGLES an angry crocodile!
Your chop injures an angry crocodile.
An angry crocodile dodges your chop.
You keep an angry crocodile at bay with your polearm.
An angry crocodile has some small but disgusting cuts.


....and shortly after I prayed about it, it happened again....

(27100tnl) (civilized/outdoor) 1 AM > You recognize a weak point in an angry crocodile's defenses and strike!
Entangled by tenacious webbing, your attack with a stout polearm, 'Maclochlan's Honor' is halted shy of an angry crocodile.
An angry crocodile bites you.
An angry crocodile's bite DISMEMBERS you!
An angry crocodile has some small but disgusting cuts.

...(webbing negates critical hit)
...(next regular melee hit that lands is critical-sized again)

(27100tnl) (civilized/outdoor) 1 AM >
Your chop MASSACRES an angry crocodile!
Entangled by tenacious webbing, your attack with a stout polearm, 'Maclochlan's Honor' is halted shy of an angry crocodile.
Entangled by tenacious webbing, your attack with a stout polearm, 'Maclochlan's Honor' is halted shy of an angry crocodile.
You keep an angry crocodile at bay with your polearm.
An angry crocodile has some small but disgusting cuts.


....possibly exploitable if RNG is out of favor (potential to get two critical hits within a very short timeframe, if damage from the first one is delayed a round or two)

n/t