Once you know how to deal with his flying attacks and its variations, the fight becomes pretty easy. Drakekeeper's Sword is pretty useful into this boss because it has high durability compared to the typical weapon, so that was completely a non issue for this boss.
List till now:
1- The Last Giant (Broken Thief Sword +0)
2- The Pursuer (Watchdragon Parma +0)
3- Dragonrider (Royal Kite Shield +0)
4- Skeleton Lords (Club +5)
5- Covetous Demon (Thief Dagger +0)
6- Mytha, the Baneful Queen (Fire Longsword +2)
7- Flexile Sentry (Large Leather Shield +0)
8- The Rotten (Mail Breaker +3)
9- Old Iron King (Puzzling Stone Sword +0)
10- Scorpioness Najka (Pate's Spear +0)
11- Prowling Magus and Congregation (Great Machete +0)
12- The Duke's Dear Freja (Parrying Dagger +4)
13- Ruin Sentinels (Grand Spirit Tree Shield +0)
14- The Lost Sinner (Infantry Axe +0)
15- Aava, the King's Pet (Fire Hand Axe +10)
16- Twin Dragonriders (Caestus +8)
17- Old Dragonslayer (Shortsword +0)
18- Royal Rat Vanguard (Possessed Armor Sword +6)
19- Royal Rat Authority (Royal Greatsword +4)
20- Executioner's Chariot (Bandit Greataxe +0)
21- Looking Glass Knight (Gyrm Axe +6)
22- Demon of Song (Sanctum Mace +0)
23- Velstadt, the Royal Aegis (Mastodon Greatshield +6)
24- Guardian Dragon (Crescent Axe +1)
25- Elana, the Squalid Queen (Raw Blue Flame +5)
26- Sinh, the Slumbering Dragon (Drakekeeper's Sword +9)
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