Know It All is an achievement obtainable in Act 4. It involves the collection of People Lore items.
Contents
Entries
Burial Wishes
Location: Bastion's Keep Stronghold Load up the Fall of the High Heavens quest from Act 4 and port to town. Run towards the main gate, it will be on a corpse of a woman named Martha
Quest: Fall of the High Heavens
"If you are reading this, my husband and I are both gone. We would like to be buried side by side, preferably in a sunny spot. Oh, and please don't bury my husband's sword with us. He won't need it anymore. -Marta"
The Angiris Council
Location: Gardens of Hope 1st Tier, along the required path for the quest The Light of Hope
Quest: The Light of Hope
"Unknown Text"
Archangel Auriel, the Aspect of Hope
Location: Gardens of Hope 2nd Tier, in the middle bottom region
Quest: Any Quest
"Unknown Text"
Archangel Imperius, the Aspect of Valor
Location: Hell Rift It is on a pierced angel near the entrance
Quest: The Light of Hope
"Unknown Text"
Archangel Itherael, the Aspect of Fate
Location: Gardens of Hope 1st Tier, on an Angiris Repository
Quest: Any Quest
"Unknown Text"
Archangel Malthael, the Aspect of Wisdom
Location: Hell Rift (I found this in the Hell Rift in the Gardens of Heaven Tier 2, however it may spawn it other areas depending on what you've already found)
Quest: The Light of Hope
"Unknown Text"
Archangel Tyrael, the Aspect of Justice
Location: Gardens of Hope 2nd Tier, on an archival studies right outside the portal
Quest: Beneath the Spire
"Unknown Text"
Izual's Descent
Location: The Great Span This is automatically given once Izual is defeated in the quest The Prime Evil
Quest: The Prime Evil
"The angel Izual was once Tyrael's lieutenant, but he was captured by the enemy after an ill-advised assault upon the Hellforge. Izual surrendered to demonic corruption and revealed the secrets of the soulstones to the Prime Evils. Tyrael claimed that Izual was slain years ago, but his replacement has never emerged from the Crystal Arch... -Archangel Itherael"