The Swordsman 3 [Hero! Ogiwa Palace] achievement requires the warrior to go to the replica Heroic Ogiwa Palace and kill 3 BOOs plus a hidden BOSS at a time to complete the achievement.
Specific fighting method: the copy of the existing BOSS, 1-3 are normal kill. Involved in the hidden BOSS how to open the problem, kill the old will get a props mysterious scroll, according to the prompts, open from the old one to the old two on the road outside the square of the pillar, hidden BOSS Shalya will come out, and then kill it.
Mystery scroll algorithm: example: such as the last nine grid is this:
492
357
816
Then, the second step of the sequence is 492357816.
The third step, remove the 7, 8, 9, the resulting sequence is 423516, that is, to open the pillars of the sequence.