Straight Swords are balanced and versatile weapons in Elden Ring: Nightreign. They offer a mix of speed, range, and damage, and are reliable in nearly any situation. However, while their versatility makes them a solid choice for any build, they might lack raw damage, poise break and stagger capabilities, or even rapid status ailment buildup on their own.
NightreignStraight Swords - Nightreign Wiki

Broadsword
Straight Sword • Lvl Required 1
Weapon Skill: Square Off
This skill starts with the sword held level. Follow up with a normal attack to slash upwards through enemy's guard, or a strong attack to perform a running thrust.
A straight sword with a wide blade, suited to slashing attacks. Horizontal swings boast wide attack range, making it easier to connect with foes.

Cane Sword
Straight Sword • Lvl Required 3
Weapon Skill: Square Off
This skill starts with the sword held level. Follow up with a normal attack to slash upwards through enemy's guard, or a strong attack to perform a running thrust.
Beloved sword of an aged knight whose last quest was long behind him, repurposed into a walking stick. The tip is rather worn. Though bent of back and without the brawn required even to raise the sword aloft, still he wished to meet his end with weapon in hand.

Carian Knight's Sword
Straight Sword • Lvl Required 3
Weapon Skill: Carian Grandeur
Carian royal prestige embodied in a skill. Transform blade into magical greatsword and swing it down. Can be charged to increase its power by up to two levels.
Straight sword embedded with a blue glintstone. Weapon of knights sworn to Carian royalty. These knights' swords could serve as catalysts, letting them wield sorcerous battle skills. Despite numbering fewer than twenty, this power made them a match for even the champions of gold in battle.

Coded Sword
Straight Sword • Lvl Required 7
Weapon Skill: Unblockable Blade
Imbue the cipher blade with light, extending its length, then strike with a sudden sweeping attack. This attack cannot be blocked.
Hidden sword once granted to the Tarnished of the Roundtable by the Two Fingers. A formless cipher comprises its blade, which deals holy damage no shield can repel. Champions would gather at the Roundtable Hold in days long past, when the Two Fingers were masters of oration, their flesh yet full of vigor.

Crystal Sword
Straight Sword • Lvl Required 3
Sword fashioned from pure crystal; a deed impossible for a human. Enwreathed with powerful magic, its attack scales with intelligence. The inscrutable Crystalians have but one clear purpose; to safeguard their crystals unto the end. One theory posits that they yearn for the return of their creator who will carve for them new brethren.

Golden Epitaph
Straight Sword • Lvl Required 7
Weapon Skill: Last Rites
Raise the epitaph to grant the effect of Sacred Order to yourselfand allies in the vicinity. Particularly effective at laying to rest Those Who Live in Death.
A sword made to commemorate the death of Godwyn the Golden, first of the demigods to die. Infused with the humble prayer of a young boy; "O brother, lord brother, please die a true death."

Lazuli Glintstone Sword
Straight Sword • Lvl Required 3
Weapon Skill: Glintstone Pebble
A sword with a glintstone in its handguards. Wielded by scholars of the Lazuli Conspectus who seek to master Carian sorcery. Deals magic damage. Apparently once used as a staff of sorcery, this sword is made of wood.

Longsword
Straight Sword • Lvl Required 1
Weapon Skill: Square Off
This skill starts with the sword held level. Follow up with a normal attack to slash upwards through enemy's guard, or a strong attack to perform a running thrust.
A straight sword with a double-edged blade. In addition to its reliable standard damage, this weapon can also perform powerful piercing attacks. A superbly balanced armament.

Lordsworn's Straight Sword
Straight Sword • Lvl Required 3
Weapon Skill: Square Off
This skill starts with the sword held level. Follow up with a normal attack to slash upwards through enemy's guard, or a strong attack to perform a running thrust.
Well-crafted straight sword with an illustrious design, wielded by regulars of a lord's army. Though blackened and damaged by years of use, it appears to have otherwise been kept in a servicable condition, despite the soldiers having long since lost their minds.

Miquellan Knight's Sword
Straight Sword • Lvl Required 7
Weapon Skill: Sacred Blade
Grants armament's attacks holy essence and fires off a golden blade projectile. The armament retains its holy essence for awhile.
Sword forged by servants of Miquella of the Haligtree, with a design modeled after those carried by Carian knights. Instead of glintstone however, amber from the Haligtree is embedded in the blade. A sumptuous piece, yet it has never been offered to any knight — an ill-starred sword with no master. Skill: Sacred Blade

Noble's Slender Sword
Straight Sword • Lvl Required 1
Weapon Skill: Square Off
This skill starts with the sword held level. Follow up with a normal attack to slash upwards through enemy's guard, or a strong attack to perform a running thrust.
Narrow blade carried by wandering nobles. Made to be easy to wield. Daubed with gold from tip to tail, it should fetch a good sum.

Ornamental Straight Sword
Straight Sword • Lvl Required 7
Weapon Skill: Golden Tempering
Cross the two swords to grant their attacks holy essence. While in effect, strong attack performs a dual-wielding combo attack.
Slender straight sword patterned after an antique ornament. Superior swordsmen prefer to wield one in each hand. After falling from grace, the dregs of the golden lineage sought power and purpose in the past.