(2 items) Adds 129 Weapon Damage
(3 items) Gain Minor Slayer at all times, increasing your damage done to Dungeon, Trial, and Arena Monsters by 5%.
(4 items) Adds 129 Weapon Damage
(5 items) Dealing Critical Damage grants you a stack of Giant's Endurance, up to one every half second. Each stack of Giant's Endurance adds 74 Weapon Damage, and stacks up to 5 times.
Completing a fully-charged Heavy Attack removes Giant's Endurance and grants Giant's Might for 10 seconds, increasing your Weapon Damage by 111 per stack removed.
You cannot have Giant's Endurance and Might active at the same time.