But tapping class potential involves only vanilla stuff. If you get 3+ legacies, second adapt, legacy on an assassin or questy form/spell/whatever - that makes for a more powerful character, but it's nowhere near tapping class potential, that's creating another class. Like you can't say that Oshui tapped a shapeshifter potential, because he effectively wasn't a shapeshifter.

Orc is one adaptation, orc with two adaptations is effectively not an orc but something else.

Garfuka, having 2 adaptations, went for #6. That's below satisfactory. So PK-wise, Garfuka was below expectations. That doesn't mean that he wasn't a great character - he was. And like I said, he was awesome for the game. But he is not to be taken as a benchmark for orc PK performance.