Endo can be obtained by selling or dissolving duplicate mods, completing bounties, participating in specific missions, and exchanging Ayatan Treasures or sculptures.
The Ropalolyst on Sedna, Railjack missions, Arbitration missions, and Meru's Bazaar on Mars are some of the best locations for farming Endo.
Endo sculptures and Ayatan Treasures are valuable sources of Endo and can be exchanged for Endo or sold for platinum.
Newer players can dissolve duplicate mods, while more experienced players should trade mods for platinum and focus on efficient Endo farming methods.
Efficient Endo farming methods include using specific Warframes, abilities, and gear to maximize the acquisition of Endo sculptures and treasures.
Using Golden Instinct and Orokin Air Support from The Parallax ship, and utilizing specific Warframes and abilities for efficient farming.
The farming method may not be new player friendly and requires reaching a certain level with specific gear. Additionally, players may encounter challenges in locating valuable items and optimizing the use of abilities.