The Dragonslayer Armor hits hard, but its attacks are pretty well-telegraphed. Dodging underneath or to the left of most attacks will nearly guarantee not being hit by these strong attacks and spells.

This will take you all the way down to the chapel just before the Dragonslayer Armor bonfire. Opening this lift up bypasses all the enemies on the bridge, which makes getting to the boss fight ...

The visuals of the Dragonslayer Armour in Dark Souls 3 is a solid reference to older titles in the series, while also catching players off guard.