[The Silmarillion, Middle-Earth] Stealing Heaven for Diamonds

Also known as "Alda's Self-Rescue Guide", "Starting with a dog, relying on gathering equipment" and "How to dominate the world with PPT" (?) You often wonder, there are so many unlucky travelers, why do you have to be counted among them? Others traveled through time and ordered thousands of troops to kill and make decisive decisions, but you traveled through time and became a passerby and cannon fodder; Others who have traveled through time are princes, generals and ministers with noble blood, but your ancestors who have traveled through time have been working like cows and horses for generations; Others have great power when they travel through time, but you can't even coordinate your limbs when you time travel; Others have prospered through time travel by relying on the plot of the original work, but you... You have been away from the center of the plot all year round, and you finally got close to the characters in the original work, but you almost lost your life. This is not at all the epic, romantic, pastoral Arda you know - this is the vortex that's about to swallow them all. But luckily, you still have enough knowledge from your past lives to build the ark before everything becomes irreversible. ... Wait a minute, why are there so many people on your boat? ! The main character has no name, no gender and no CP. It is a fun story about solving puzzles with no infrastructure (not very fun at all). It is partial to Fenorian and will blackmail Brother Viratine. Be careful to avoid lightning. The whole story is full of bad memes and hellish jokes. The world view is inconsistent with the original work. The essence is magical cyberpunk (?). The original characters are sensational. If you feel OOC, please bear with me~ Intention: Wherever you go, infrastructure will be there