Experimental Hexplate

What is Experimental Hexplate?

Experimental Hexplate is a legendary item in League of Legends, touching six menu categories simultaneously: Fighter, Attack Damage, Attack Speed, Health & Regeneration, Ability Haste, and Movement. The item’s flavour text — „Crowd control can be messy work.“ — tells you exactly what kind of champion it’s built for: one who dives in, sticks to targets, and uses their ultimate as the centrepiece of the engagement.

At 3,000 gold, it’s a premium investment. Its real selling point isn’t the stat line alone — it’s the OVERDRIVE passive: a post-ult mobility and attack speed burst that lasts 8 seconds and resets every 30 seconds. For a melee bruiser who ults into a fight, those 8 seconds of extra speed and DPS can be the difference between a clean kill and a messy retreat.

Worth noting: the item has a removed Masterwork predecessor — T.U.R.B.O. — which was an older design exploring the same ult-synergy philosophy. Experimental Hexplate is the current balanced live version. If you see references to T.U.R.B.O. in older guides, they’re describing a removed item.

📊 Base Statistics

🔨 Recipe & Cost

Full build path with every component broken down:

⚡ Unique Passives

HEXCHARGED — 30 Ultimate Haste

Flat 30 ultimate haste is a meaningful CDR boost for any R. On a 120-second base cooldown, that’s roughly a 23-second reduction. For ultimates that define your engage pattern — like Darius’s Noxian Guillotine reset chain, Garen’s Demacian Justice, or Kled’s Chaaaaaaaarge!!! — increased ult frequency directly translates to more fights and more pressure throughout a game.

The haste stacks additively with other sources. Combining HEXCHARGED with Axiom Arc or runes like Cosmic Insight pushes ult frequency into a range where you can meaningfully target having R available for every relevant skirmish in a mid-to-late game scenario.

OVERDRIVE — Post-Ult Mobility & Attack Speed Burst

Breaking down what this means in actual gameplay:

• 8 seconds covers most skirmishes completely. The average solo kill attempt or 2v2 skirmish resolves in 5–8 seconds. Landing your ult and entering OVERDRIVE means you’re at peak speed and DPS for the entire fight duration.
• +20% movement speed is your sticking tool. After ulting into a fight, the MS makes it significantly harder for carries to kite away. You close, you ult, you stick — OVERDRIVE handles the stick part.
• +50% attack speed stacks with the item’s base +20%. During an OVERDRIVE window you’re running a combined +70% AS on top of whatever base attack speed your champion has. Without additional AS items, most bruisers hit very efficient attack speed values here without risking the 2.5 cap.
• 30-second passive cooldown starts from ult cast. If you ult at 0:00 and OVERDRIVE ends at 0:08, your next activation is available at 0:30 — not at 0:38. Plan your fight pacing around this window.

⏱️ OVERDRIVE Deferment — Champion-Specific Interactions

OVERDRIVE activates as soon as your ult is cast. For ultimates with a cast time, activation is 0.2 seconds into the cast time — not at projectile landing. However, for channelled or extended ultimates, Riot has implemented specific deferment rules where OVERDRIVE waits until the ability’s primary effect concludes.

🎯 Who Should Build Experimental Hexplate?

The item targets melee fighters and bruisers whose ultimate is an offensive engage tool, a kill-confirm, or a dive initiator. OVERDRIVE rewards staying in melee range post-ult — if your R launches you into the fight, the bonus AS and MS ensure you extract maximum value from the commitment.

✅ Strong Candidates

• Darius — Noxian Guillotine resets on takedowns; HEXCHARGED keeps R available faster between executes. OVERDRIVE’s AS accelerates Hemorrhage stacking before the next potential reset.
• Garen — Demacian Justice gets a meaningful CDR boost; OVERDRIVE’s +20% MS allows him to stick to targets during and after his silence window.
• Kled — Explicitly listed in the deferment table. OVERDRIVE fires perfectly as he arrives on target at the end of Chaaaaaaaarge!!!, timing the burst window exactly when he needs it most.
• Mordekaiser — Realm of Death creates a 1v1 isolation. OVERDRIVE inside the isolated realm equals faster DPS with zero peel available to the enemy — a closed environment where every AS point counts.
• Nasus — Fury of the Sands ult stacks stats. OVERDRIVE’s AS during the ult window lets him land more Q stacks per second while also being harder to kite off with the bonus MS.
• Warwick — Infinite Duress suppresses a single target in place. OVERDRIVE fires during the suppress, adding significant burst damage in a window where the enemy literally cannot react.
• Urgot — Fear Beyond Death chains into an execute. HEXCHARGED shortens the CDR gap between execute windows; OVERDRIVE’s MS helps chase down the pull target after activation.

❌ Poor Candidates

• Ranged carries (ADC): The AD + HP stat line doesn’t match ADC itemisation paths. The item’s identity is fundamentally a bruiser tool.
• AP mages: No AP on the item. OVERDRIVE’s AS and MS add nothing for champions whose damage comes from spells cast from range with no auto-attack pattern.
• Tanks with utility ultimates: Champions like Malphite or Amumu ult to initiate for teammates, then stop contributing directly. OVERDRIVE’s AS and MS are wasted when your ult is the contribution, not an opener for 8 seconds of personal DPS.

⚙️ Build Synergies

Experimental Hexplate slots cleanest into builds doubling down on either ult frequency or maximum OVERDRIVE DPS output. These are the strongest companion purchases:

🔄 Similar Items & When to Choose

Experimental Hexplate isn’t the only option in this space. Here’s a direct comparison to help pick the right tool:

🎮 Gameplay Guide: Getting Full Value from OVERDRIVE

The Core Engage Rotation

1. Identify your priority target before engaging — OVERDRIVE is most valuable when you spend all 8 seconds pressuring one specific threat rather than running around confused.
2. Close the initial gap with your champion’s natural mobility, Flash, or a gap-close ability before ulting. OVERDRIVE starts on ult cast, so you want to already be in range.
3. Cast your ultimate. OVERDRIVE activates either immediately (standard ults) or at end of channel/dash depending on your champion’s specific deferment rule.
4. Auto-attack aggressively during the full 8-second OVERDRIVE window — this is your simultaneous peak DPS and peak mobility phase.
5. Track the 30-second OVERDRIVE cooldown from the moment you cast R. Know whether a second window is available before committing to a follow-up fight.

Timing Nuances to Internalise

• Don’t use OVERDRIVE’s MS to retreat. The +20% movement speed is a sticking tool designed for aggression. Using it to run from a fight means you bought 3,000 gold of an escape passive — that’s not the item’s purpose.
• Channel-deferred champions: expect the delay. On Fiddlesticks and Galio, OVERDRIVE fires at the END of the channel. Budget 2–4 seconds of channel time before your OVERDRIVE window actually begins — plan post-channel positioning accordingly.
• Kled timing is nearly perfect. OVERDRIVE fires as Kled arrives at the target after Chaaaaaaaarge!!! — the passive window syncs almost exactly with his post-dash high-damage phase. It’s as close to purpose-built as deferment interactions get.
• Watch the AS cap. During OVERDRIVE you gain +50% AS on top of the item’s +20% plus your base. If you’re stacking additional AS from runes or other items, verify you’re not hitting the 2.5 attack speed cap mid-window and wasting potential attacks.

❌ Common Mistakes and How to Avoid Them

• Building Hexplate on utility-ultimate champions: If your R heals, shields, or is purely initiating for teammates, you’re investing 3,000 gold in a passive that does nothing for you. Check the champion’s ult function first, not the champion’s class.
• Ulting from max range and wasting the window: Casting your ult from a distance and then running toward the target eats into the 8-second OVERDRIVE timer. Be already in or near melee range before you commit the R.
• Forgetting channel-deferred timing on Fiddlesticks/Galio: These two commonly lead to players expecting OVERDRIVE speed during the channel, then playing sub-optimally when it doesn’t fire. Know your champion’s exact deferment behaviour before building the item.
• Not tracking the 30-second passive cooldown: Engaging in a second skirmish assuming you’ll have OVERDRIVE when you used it 15 seconds ago is a frequent mistake in extended teamfights. Track the timer mentally like a secondary cooldown.
• Over-stacking attack speed on the build: OVERDRIVE already gives +50% AS temporarily. Stacking Wit’s End + Hexplate + additional AS runes on the same champion can push you toward the 2.5 cap during OVERDRIVE, wasting potential damage. Calculate your total AS before adding more.

🏁 Final Summary

Experimental Hexplate is a premium fighter item with a clear mechanical identity: it rewards champions who ult into fights and sustain pressure for the following 8 seconds. The combination of HEXCHARGED (30 ult haste) and OVERDRIVE (+50% AS, +20% MS post-ult) creates a playstyle loop that is genuinely punishing to play against in the hands of the right champion — especially in extended skirmishes and split-push duels where the 8-second window represents the entire fight.

The deferment interactions are non-negotiable knowledge for channel-ult champions like Galio and Fiddlesticks. Understanding exactly when your OVERDRIVE window starts is what separates a champion-specific mastery play from a confusing death where the passive didn’t behave as expected.

At 3,000 gold it requires justification in your build — pick it when your champion’s ult is the centrepiece of a damage pattern, not a utility tool on the side. Pair it with Trinity Force for the definitive melee fighter two-item spike, or Axiom Arc to push ult frequency to an extreme that your opponents will struggle to build around.

📝 Meta Information

FAQ

Q: Does OVERDRIVE trigger on every ultimate cast or only once per fight?

A: Every ultimate cast — as long as the 30-second passive cooldown has elapsed since the previous activation. The cooldown is strictly time-based from ult cast, with no fight-reset mechanic.

Q: Can Experimental Hexplate and Trinity Force be built together?

A: Yes, and it’s one of the strongest melee fighter two-item combos in the current meta. Trinity Force‚s Spellblade proc on the first post-ult auto fires simultaneously with OVERDRIVE, creating a concentrated burst spike in the opening 2 seconds of any engagement.

Q: How does the 30-second cooldown interact with Darius’s R resets?

A: Each Noxian Guillotine cast counts as an ult activation for the HEXCHARGED CDR benefit. However, OVERDRIVE won’t re-trigger on each Guillotine reset — only after the full 30 seconds from the first cast have elapsed. The CDR from HEXCHARGED still helps speed up the next baseline R availability.

Q: Is Experimental Hexplate available in ARAM?

A: Yes — it’s available in SR 5v5, ARAM, Nexus Blitz, and Arena. In ARAM specifically, the OVERDRIVE movement speed is somewhat less impactful due to the linear lane structure, but the AS burst and HEXCHARGED CDR still provide full value.

Q: What happened to T.U.R.B.O.?

A: T.U.R.B.O. was the Masterwork-tier version of this item design — it explored the same ult-synergy passive at a higher tier and gold cost. It was removed in a balance cycle and Experimental Hexplate remains as the standard legendary version of this concept.

Q: Does OVERDRIVE’s movement speed help with engaging before the ult, or only after?

A: Strictly after — OVERDRIVE triggers on ult cast, meaning the MS appears after you’ve already committed to the engage. It’s designed as a stick-and-DPS tool, not a gap-closer. Use your champion’s mobility or summoner spells to close the initial distance, then rely on OVERDRIVE to keep you on target.