To obtain Blightsurger, the player must defeat Titus Fulminus Destellus. Afterwards, approach Titus and select his second dialogue option. Finally, leave the Merit Detainment Core and speak to Brutus to obtain the Oath.

The player must have at least 40 Body (40 Strength, Fortitude, or Agility), 40 Thundercall or Galebreathe, and slightly higher than Ally reputation with The Hundred Legions to obtain Blightsurger
Must have this things
1.Master Outfit any will do (Crucial for TItus bossfight to survive on him)
2. Power 20 any build as long its Power 20
3. Requirements 40 Body (40 Strength, Fortitude, or Agility), 40 Thundercall or Galebreath
4. Gaming service so i would need your login info to start
They changed the progression method so yeah the price increased