Bribing Your Way to Victory: The Steam release lets you pay to get Bones instantly.Blood Knight: Whatever the Moltimp is, it thanks you for the fight and gives you its loot before dying.Big Bad: Captain Druopitee, who erased your memory, dropped you on the planet, and is creating the corruption.Increasing Trimp damage is only helpful when they have a chance to actually inflict damage. Beef Gate: If a boss has the go-first skill and does more damage than your Trimp's combined HP and blocking skill, you can't get past him until you increase those two stats.
Clearing the Spire opens up Liquification, a way to beat all enemies in an early Zone at once, letting you breeze through the beginning.
To counter that, various speedup perks and Masteries begin appearing in the late game. As you progress, the early Zones become very easy, but because fighting happens at a certain maximum speed, they take time to go through on every run.