Way back in 2012, the original version of Kingdoms of Amalur: Re-Reckoning dropped on PC, PS3, and Xbox 360. Fast forward to September 2020, THQ Nordic released a remastered version of the game on PC, PS4, and Xbox One. And, it dropped on the Nintendo Switch on March 16, 2021. This action role-playing video game was initially developed by Big Huge Games and 38 Studios and published by Electronic Arts (EA).
The Greatsword is one of the types of weapons available to the Fateless One, the protagonist of the game. It is a melee weapon that utilizes sweeping and cleaving attacks at a close range, hitting multiple enemies at once. This weapon is in the Might-based weapon family, which fighter-style characters use best, and takes advantage of Brutal Weaponry and Greatsword Mastery abilities.
Source: All quoted lore comes from the Amalur Wiki.
10 Kellerac's Sword
"This magnificent blade was pulled from a boulder on the battle-torn Tywili Coast."
Kellerac's Sword has 165 Base Damage, 46 Durability, and 1 Weapon Socket. It does 128 Physical Damage, 24 Piercing Damage, 9 Ice Damage, and 4 Freezing Damage over 3 seconds. This weapon is found lodged in a boulder in the Tywili Coast. If the player chooses to "pull the blade out," they need 42 Might and receive the true Kellerac's Sword (which has the full effects). If the player chooses to "remove the gem," they need 3 or less Sagecraft and only get a Gem of Snow. If the player chooses to "destroy the gem," they need 3 or less Sagecraft and receive the plain Kellerac's Sword (which does not have the 9 Ice Damage nor 4 Freezing Damage over 3 seconds).
9 Gerstotad
"Meaning "doomed" in the Jottun tongue, this sword was created for an elite Jottun mercenary guard captain. Exquisite craftsmanship keeps it light enough for smaller races."
Gerstotad, which got a black pearl in the hilt and a split at the end of the blade, has 187 Base Damage, 48 Durability, and Level 15 Requirement. It does 140 Physical Damage, 47 Piercing Damage, and increases the chance to Stun by 10 percent. This weapon is found in chests or dropped as loot (randomly).
8 The Titan Spear
"No one is certain what being might have been large enough to both craft and wield the spear that this sword was once a part of. It is hard to think of something more terrifying than the warrior that can heft this weighty blade alone."
The Titan Spear, exclusive to the Teeth of Naros DLC, has 189 Base Damage and 25 Durability. It does 153 Physical Damage, 36 Piercing Damage, 18 Bleeding damage, and increases Health by 15 percent as well as Bleeding Damage by 5 percent. This weapon is discovered as one of three treasures (besides the Crown of Kreios and The Deadshot) following passage of the trials of Nerotelos.
7 The Harpy
"Originally the figurehead of a pirate sloop, this massive blade is said to able to hew masts in twain. The painted blade is flecked and cracked with age, but bears the image of a howling, monstrous woman known as the Harpy."
The Harpy, which has an actually Harpy with golden wings and a blue dress designed into it and is exclusive to The Legend of Dead Kel DLC, has 192 Base Damage, 25 Durability, and Level 20 Requirement. It does 139 Physical Damage, 33 Piercing Damage, 20 Ice Damage, and increases damage against lightly wounded targets by 10 percent as well as Physical Damage by 15 percent. This weapon is obtained through Captain Brattigan, given as a gift during the main storyline.
6 The Forge
"The Forge is an instrument of change and its card reflects that. Those fated with The Forge bring about change, or are themselves changed, in sudden and often wide-reaching events."
The Forge, which has a golden hilt and a thick edge, has 195 Base Damage and 25 Durability. It does 139 Physical Damage, 33 Piercing Damage, 23 Burning damage over 5 seconds, and has a 5 percent chance to steal 23 Health per hit. This weapon may be discovered in the Special Delivery chest in Gorhart Village.
5 Gentleman's Favor
"Bears the motto, 'Violence is the last, joyous resort of the improvident planner,' engraved on the blade."
Gentlemen's Favor, which looks super ancient yet has a golden lion engraved within, has 207 Base Damage, 50 Durability, and Level 18 Requirement. It does 168 Physical Damage, 39 Piercing Damage, and boosts Health by 20 percent, Physical Damage by 20 percent, and Piercing Damage by 10 percent. This weapon is acquired following completion of the House of Valor faction's Championship Match quest, given as a gift by Jakin Madsen.
4 Scourgebane
"Gaudy and impractical in name and ornamentation, this sword is surprisingly light, graceful, and impossibly sharp."
Scourgebane, which basically looks like Gerstostad, has 211 Base Damage, 48 Durability, and Level 16 Requirement. It does 138 Physical Damage, 33 Piercing Damage, 25 Lightning Damage, 15 Freezing damage over 5 seconds, and boosts Health by 90. This weapon is found in chests or dropped as loot (randomly).
3 Trencher
"Fashioned from a salvaged harpoon, this huge blade is difficult to wield. Only the very strongest warriors can raise its jagged, and overwhelming, blade."
Trencher, exclusive to The Legend of Dead Kel DLC and basically a harpoon, has 213 Base Damage, 25 Durability, and Level 13 Requirement. It does 139 Physical Damage, 74 Piercing Damage, and increases damage against Beasts by 10 percent and Stun Duration by 8 percent. This weapon is obtained through Ollie Madsen in Gravehal Keep after the player knocks out seven (7) combat records in Combat Training.
2 Scathe
"A brutally honest, deliberately crude weapon. Favored by the Tyrgash Fireblades."
Scathe, which looks exactly like Frostbite, has 228 Base Damage, 48 Durability, 1 Weapon Socket, and Level 14 Requirement. It does 152 Physical Damage, 36 Piercing Damage, 25 Fire Damage, 15 Burning damage over 5 seconds, and increases Fire Damage by 5 percent. This weapon is found in chests or dropped as loot (randomly).
1 Lightning Cage
"They called the smith that forged this blade mad, for thinking he could trap a bolt of lightning within this blade. And though it took him many years, and reduced his fortunes to ruin. But no one has been able to doubt his results."
Lightning Cage, exclusive to the Teeth of Naros DLC, has 230 Base Damage, 25 Durability, and Level 16 Requirement. It does 153 Physical Damage, 36 Piercing Damage, 20 Lightning Damage, 15 Shocking Damage over 5 seconds, and increases Mana by 6 percent. This is found in chests (randomly) or dropped as loot in the Teeth of Naros (also randomly). Or, the player will get Lightning Cage from Secandra after they defeat the Choir Master during "The Perpetual Desolations" quest if Might is favored by The Beckoned.