Yes, you still have to farm for forging materials . Yes, you will run back and forth between Seafront and the Junk Heap a hundred times. Yoko Taro has admitted that the tedious side quests are "intentional" to make you feel the futility of the protagonist's journey. Whether that is genius design or 2010-era padding is up to you. Thankfully, the remaster adds a speed boost button and auto-save.
If the plot sounds like standard JRPG fare, that is precisely the trap Yoko Taro sets. NieR Replicant is a masterclass in subversion. It takes the "hero's journey" and deconstructs it brick by brick. NieR Replicant ver122474487139