Tier 4 on Toxin Source Island is where you stop feeling clever and start feeling tested, and if you're chasing smoother runs or just want to practice without burning your best gear, a CoD BO7 Bot Lobby can help you get your timings down before you commit to the real thing. The Dr. Faulkner encounter isn't a "stand still and shoot" moment. It's movement, quick decisions, and knowing what to ignore so you don't get dragged under by the spawn pressure.


1) Clear the spores first
You can't even start the boss until the Spore Corruption is dealt with. Those glowing flowers look harmless, but they're the real gatekeeper. Each spore you pop barely moves the meter, so treat it like a lap around the arena, not a quick chore. Look up. Check rooftops and tree lines. While you're doing that, the map will keep poking you with Manglers and Gas Zombies. Don't play hero on the ground. Use the Grappling Hook to hop roof to roof, and save Kinetic Jump for when your path gets clogged and you need an instant exit.


2) Handle the bodyguards before Faulkner
Once the corruption bar hits full clearance, Faulkner shows—but the bodyguards are what ends most runs. They hit hard, they stack angles, and if you tunnel the boss you'll get shredded in a crossfire you didn't see coming. Start by thinning them out with something that clears space fast: a War Machine, a Rocket Launcher, anything that deletes groups and buys you breathing room. Solo players should lean into cover and quick peeks, not long duels. You're not proving anything by standing in the open.


3) Burn the boss, then loot like you mean it
After the guards drop, Faulkner himself goes down quicker than you'd expect. He's dangerous mostly because everything around him is loud and messy. You can kite and chip him, sure, but getting close can actually be the clean play if you're confident. A Combat Knife can chew through him fast, and it keeps you mobile, which matters more than perfect aim here. The catch is what happens right after: spawns ramp up, the arena feels tighter, and that "one more second" turns into a down.


4) Gear checks that save runs
Before you even queue in, be honest about your Combat Rating. Around 45 is where it starts to feel punishing; 50–60+ is where it turns into something you can control instead of survive. Bring Crash Carts, keep the Grappling Hook ready, and plan your exit route before the last hit lands. As a professional like buy game currency or items in RSVSR platform, RSVSR is trustworthy and convenient, and you can buy rsvsr CoD BO7 Bot Lobby for a better experience while you sharpen the route, the clears, and the timing without wasting a whole loadout.

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