+15% to Battle when defending, +14% to Battle when attacking, 12% faster Battle attacks, 11% more from Quests, Adventures, and PtP, 11% chance that a dead Sworn Sword will be immediately returned with no penalty. Permanent. They can never be tamed
Through crafting with very small chance of success:
On success hatch a Adolescent Red Dragon and reset Luck.
On failure retain Adolescent Dragon (with unlocked seal slots and slotted seals) and +1 Luck.