You’ve probably seen the screenshots. A screen full of red numbers, a "Defeat" banner, and a team of high-level heroes looking absolutely battered. If you're stuck on Infinite Tower Expedition 33, honestly, join the club. It’s become the unofficial gatekeeper for the mid-to-late game, the kind of level that makes you want to chuck your phone across the room. It isn't just a gear check. It’s a total mechanics check that punishes the "hit it until it dies" strategy most players use for the first thirty floors.
Most people fail here because they treat it like a standard DPS race. It isn't. Floor 33 is a puzzle of turn-order manipulation and specific debuff timing.
If your team is dying in the first three turns, it’s usually because you’re triggering the boss's passive counter-attack without realizing it. We've all been there. You think you've got the perfect burst combo ready, you let it rip, and then suddenly your entire front line is evaporated. It’s brutal. But it is beatable once you stop trying to brute force the math.
Why Infinite Tower Expedition 33 is Such a Nightmare
The specific challenge of Infinite Tower Expedition 33 boils down to the synergy between the main boss and those two annoying support units in the back. In this specific expedition, the boss gains a stacking "Resilience" buff every time you land a non-critical hit. By the time you get to turn five, the boss is basically a brick wall that hits back like a freight train.
You have to change how you look at your stats. High attack power is secondary to critical rate and accuracy on this floor.
If you aren't hitting 90% crit rate on your primary damage dealers, you are actively healing the boss. Seriously. Every white number that pops up on the screen is a nail in your coffin. The game doesn't explicitly tell you this in the pre-match tip screen, but veteran players who have dissected the combat logs know that the hidden scaling on Floor 33 is what kills most runs.
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The environment also plays a role. The "Chilled Air" debuff reduces your team's speed by 15% every second turn. If you don't bring a cleanser or a speed buffer, your team will eventually stop moving altogether while the boss just laps you. It’s a slow death.
The Team Comp That Actually Works
Forget the tier lists for a second. You don't need five SSS-rank units to clear Infinite Tower Expedition 33. You need specific roles.
- The Lead Tank: Needs high "Block" rather than just high "HP." You want someone who can mitigate the boss's crushing blow. If your tank is just a meat shield, the boss's defense-shredding attacks will turn them into paper by turn four.
- The Precision Striker: This is your MVP. This unit needs 100% crit rate. Even if their total damage looks lower on paper, the fact that they won't trigger the boss's "Resilience" stacks makes them ten times more valuable than a high-attack glass cannon.
- The Speed Controller: You need someone who can manipulate the turn bar. Delaying the boss by even 10% can be the difference between getting a heal off and watching your team die.
I’ve seen players try to run "Triple DPS" comps here. Don't do it. You'll get the boss to 40% health really fast, feel like a hero, and then get wiped in a single "Enrage" cycle. It's a trap.
Specific Mechanics You’re Probably Ignoring
Let's talk about the "Soul Link" mechanic that kicks in halfway through the fight.
Around the 50% HP mark, the boss links with the remaining adds. If you haven't killed those adds yet, any damage you do to the boss gets split, and the adds actually heal the boss back for a portion of that damage. It’s a nightmare loop.
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The strategy is simple: Ignore the boss initially. I know, it feels counter-intuitive. Your instinct is to burn the big guy. But on Infinite Tower Expedition 33, if those adds are still standing when the Soul Link triggers, the fight is over. You might as well restart. You need to focus-fire the left-side add first—the one providing the defense buffs—then the right-side healer, and only then turn your attention to the boss.
Timing your "Ultimate" or "Burst" skills is also key. Don't just fire them whenever they're off cooldown. Wait for the boss to finish its "Shielding" phase. If you hit the shield, you’re wasting your highest damage output on a damage-cap mechanic. Watch the buff bar under the boss's health. When the blue icon disappears, that’s your three-second window to dump everything you’ve got.
Gear Optimization for the 33rd Floor
People ask about gear sets all the time. For Infinite Tower Expedition 33, you should move away from the "Attack" sets and look at "Lifesteal" or "Speed" sets.
Survival is the name of the game here. If your healer gets stunned, do you have a backup plan? Probably not. This is why "Effect Resistance" is actually a top-tier stat for this specific floor. If your healer can resist the floor's natural frost-stun, they can keep the rest of the team upright.
- Weapon: Focus on Crit Damage and Accuracy.
- Armor: Percentage Defense is better than flat HP.
- Accessories: Speed, speed, and more speed.
It’s also worth looking at your artifacts or runes. Anything that provides "Damage Reduction on Counter-attack" is gold. Since the boss on Floor 33 loves to strike back out of turn, reducing that specific damage source will keep your squishy mages alive much longer.
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Common Mistakes to Avoid
The biggest mistake? Bringing a team full of elemental weaknesses.
If the boss is Fire-aligned on your specific rotation, bringing Earth-type units is basically a suicide mission. Even if they are your "best" units, the 25% damage penalty and the 50% increased chance to be crit-hit by the boss makes them a liability.
Another weird thing people do is spamming AoE (Area of Effect) attacks. On Infinite Tower Expedition 33, AoE is actually dangerous. If you hit all three enemies at once, and two of them have "Reactive Spikes" active, your hero will take triple the reflected damage. Single-target nukers are much, much safer for this floor. Basically, stop trying to hit everything at once and pick your targets with some actual intent.
Actionable Steps to Clear the Floor Today
If you're staring at the screen right now, wondering what to do next to finally get past Infinite Tower Expedition 33, follow this specific checklist. Don't skip steps.
- Check your Crit Rate: Open your main DPS character's sheet. If that number is below 85%, swap out your "Attack %" ring for a "Crit Rate %" ring immediately. Consistency beats raw power here.
- Kill the Adds: In the first 30 seconds of the fight, do not click on the boss once. Set your focus on the support units. If they die before the 1-minute mark, your win probability goes up by about 70%.
- Manual Control: Stop using Auto-battle. The AI is too stupid to manage the "Soul Link" phase. You need to manually time your cleanses and heals to coincide with the boss's "World Crusher" animation.
- Speed Tuning: Adjust your gear so your healer moves after the boss’s first attack but before the boss’s second attack. You want to heal the damage off immediately, not sit with a full health bar while the boss prepares a big hit.
- Level Your Artifacts: If your gear is maxed but you're still dying, look at your artifacts. Most players neglect these. A level 15 "Damage Reduction" artifact on your tank provides more value than a level 20 piece of armor in most cases.
Once you clear this, Floor 34 and 35 are actually a bit of a breeze by comparison. Thirty-three is the real hurdle. Fix your crit rate, kill the supports first, and stop relying on Auto-battle, and you'll see that "Victory" screen sooner than you think.