Olaf wins through duration, not burst. This build maximizes his uptime in fights: armor shred for tank relevance, sustain to survive focus, and durability to outlast opponents.
Long Sword
Sheen proc between fast AAs boosted by the passive attack speed
Survivability in fights, Olaf cannot be CCed during R
Plated Steelcaps
Glorious
attaques fast (passive attack speed) stack Conqueror to a DPS intense.
Healing on kill during the R Ragnarök to chain the fights without stopping.
More effective when he is at low HP, moment when the passive Berserker Rage is at peak.
Attack speed to maximize the passive based on his HP missing.
Accumulated HP to that Last Stand is triggered longer in fights.