-Throw the ming-vases at him, one of them includes a chinese sword, which will come in handy.
-Depending how much have you leveled up, you should use the Komaki School techniques, otherwise, you’re pretty fu**ed. (depends on your personal skill)
-Lau Ka Long has 3 phases: 1. using a spear 2. using two swords and 3. using hand-to-hand combat.
-Dodge! Lau Ka Long uses annoying combos.
-Spare weapons. From the other fights in the chapter, or from other game, use effective weapons, and save them for Lau.
He’s not THAT hard, just memorize his attacks, and he should be finished in no time.