To obtain St. Trina's Blossom armor in Elden Ring: Shadow of the Erdtree, players must complete the St1. Trina and Thiollier questline. This involves finding St. Trina in the Garden of Deep Purple, interacting with her and Thiollier, and progressing through the questline by following the necessary steps, such as imbibing St. Trina's nectar and completing related NPC quests.
To increase the armor drop rate in Elden Ring: Shadow of the Erdtree, players can equip the Silver Scarab Talisman, which increases the character's Discovery stat by 75. Additionally, increasing the Arcane stat can also boost the drop rate, as each point invested in Arcane increases the Discovery stat by 1 until it is maxed out3.
The primary categories for DLC armors in Elden Ring: Shadow of the Erdtree include armor sets obtained through completing quests or broader categories, loot acquired from defeating enemies, and items found in specific locations on the world map3. Some examples are armor sets from Nameless Mausoleums, major boss champion armor sets, and farmable Messmer Soldier and Knight sets.