Doctor octopus has the abilities call out debuff: heal block and debuff: power lock on the pause screen and as text when applied if he is duped, despite his dupe making them different and not count as those debuffs.
This means the 6.3 buff for parries while heal blocked will not place a shock. This is an expected behavior if they aren't heal blocks, but in that case, the pause screen and pop-up text should not call it a heal block debuff.
Placing call out:

Pause screen: