Into the Subway System
Leap across the broken walkway to the eggs and beat back the Chain Spider that attacks. Spot the Sloth Bug on the ground below and hit it with the Gravel Grinder attack. Sloth Bugs broadcast their pincer attack with a grunt, so time your dodge for their attack. They are harmless from afar, unlike the Chain Spiders, which hatch from their eggs with an aggressive pounce. Fortunately, neither of these creatures poses much threat. The Mosquito on the wall won’t likely bother you unless you antagonize it.
Swing across the cesspool via the pipe and continue to the larger room ahead. You’ll need to whip swing across the length of the trench via the pipes with the chains, but first eliminate the three Sloth Bugs below and collect the Sliver of Adamantine.
The room with the waste treatment tanks contains multiple Sloth Bugs along with two leaping Red Minions and several Chain Spiders, so advance slowly. Unleash a Wrath Attack if necessary, but refrain from using Fury’s Havoc Form for now. Follow the pipes to the cave leading down into the subway system. Gravel Grinder the Blue Minion on the ledge before leaping for the stairs. The lengthy Executioner combo should be all Fury needs to slay most Minions.
At first glance, there appears to be no way out of the web-draped subway terminal. Fortunately, the insect that scurries out of the hive becomes flammable after ingesting the Bomb Bug bait that fell from the ceiling. Wait for the insect to glow red, then attack it. Back away before it explodes, igniting the webbing. There’s another way to deal with these insects in a more controlled manner, but for now drop through the hole.
Watch as a massive spider-like creature clambers along the ceiling, then approach the steps (you can’t reach the pickup atop the walkway just yet). Top off your Health and consume a Fortification Shard before descending toward the Minions. Be careful not to advance too far, as two more lurk in this area. Maintain an aggressive approach and don’t let a Blue Minion call for support—attack it as soon as its claws glow red. It’s easy to get overwhelmed if reinforcements arrive, so don’t hesitate to trigger Fury’s Havoc Form if this occurs. Just make sure to cancel Havoc Form as soon as the threat is eliminated.
Head left along the edge of the canyon to the next Serpent Hole. You should have enough Souls to upgrade to level 5 without shattering many Lurcher Crystals. So long as the game isn’t proving too challenging thus far, it’s wise to save your Lurcher Crystals until you can afford the Unfocused Leviathan (5,000 Souls).