Game patch 26.20Data Dragon 16.20.1
Reference patch 16.20.1
Katarina is normally played Mid and does not currently have a reviewed Jungle route. Jungle usually needs repeatable monster clear, safe pathing and objective control without lane income. Treat this as a deliberate experiment, not a standard recommendation.
Unestablished routeStandard Summoner's Rift preparationThese patches track recommendation review, build validation and item lookup separately. Updating item data does not complete a build review.
Unreviewed route
Katarina is normally played Mid and does not currently have a reviewed Jungle route. Jungle usually needs repeatable monster clear, safe pathing and objective control without lane income. Treat this as a deliberate experiment, not a standard recommendation.
A different lane's items are not relabelled as correct. Role income, map access and starting rules can change the whole purchase order.
Champion guide MidRunes and summoner spells
The assassin page focuses one reachable target after clearing. Smite stays available for camps and objectives; the second spell reflects the champion's normal access pattern.
Domination
Electrocute
Sudden Impact
Grisly Mementos
Relentless Hunter
Precision
Triumph
Coup de Grace
Flash
SmiteSmite is part of Jungle companion progression and objective security. The movement or combat spell beside it is the adjustable slot.
Ghost can fit sustained access; Flash can fit one immediate reposition. Use the champion's route and intended fights to choose.
Static alternatives
These choices are not selected from live scores. Use one only after you identify the stated match problem yourself.
Oblivion Orb supplies healing reduction without committing to a completed Morellonomicon. Skip both when healing is not the problem or an ally already covers your target reliably. Healing reduction does not reduce shields.
Conditional component, not a core item. Complete Morellonomicon only when its stats and slot efficiency justify delaying another purchase.Situational AP purchase
Buy healing reduction when enemy healing or regeneration is deciding fights and you can keep damaging the relevant target. Grievous Wounds reduces healing; it does not reduce shields, magic damage or crowd control.
Oblivion Orb can provide healing reduction without immediately paying for a completed Morellonomicon. Fit the component around your core damage, mana and survival needs; check the current queue's item tooltip.
Complete Morellonomicon when its stats and slot efficiency suit your build. Do not treat it as a mandatory first item just because your champion deals magic damage.
Multiple Grievous Wounds sources do not add their percentages together. Another reliable applier may cover the same target, but you may still need your own source for a separate fight or target.
Repeated spell damage and damage over time can maintain coverage more reliably than a single hit. Match the purchase to your actual spell access, enemy sustain and the teammates who can apply the debuff.
If you die before dealing damage, you apply no healing reduction. If your target dies before healing, there is little healing to prevent. The debuff applies on qualifying damage immediately; it does not need to build up. It remains briefly after your last hit, so teammates can benefit even after you disengage.
Only healing during the active debuff counts. For example, 40% reduction prevents 80 of a 200-point heal, or 400 of a 1,000-point heal, before other modifiers. Compare that with the damage, penetration or survival you delayed; neither example guarantees a kill. Healing after the debuff expires is unaffected.
See the Oblivion Orb and Morellonomicon references for current effects and queue availability. These are situational decisions, not a measured best-build claim.
Kit reference
Ability names, descriptions and numeric fields come from Riot Data Dragon. Practical reads are independently written; the current in-game tooltip remains authoritative.
What it doesWhenever an enemy champion dies that Katarina has damaged recently, her remaining ability cooldowns are dramatically reduced. If Katarina picks up a Dagger, she uses it to slash through all nearby enemies, dealing magic damage.
Practical readVoracity is an automatic part of the kit involving damage. Track when its condition is active instead of treating every fight the same way.
What it doesKatarina throws a Dagger at the target that then bounces to nearby enemies before ricocheting onto the ground.
Practical readBouncing Blade is a ranged cast involving its listed effect. Respect its line or target area, and avoid spending it when the opponent can simply step away before the important exchange.
What it doesKatarina gains a burst of Move Speed, tossing a Dagger into the air directly above herself.
Practical readPreparation is part of Katarina's W pattern. Read its listed effect first, then track the cooldown and condition that make the next use valuable.
What it doesKatarina blinks to the target, striking it if its an enemy, or striking the nearest enemy otherwise.
Practical readShunpo is part of Katarina's E pattern. Read its listed effect first, then track the cooldown and condition that make the next use valuable.
What it doesKatarina becomes a flurry of blades, dealing massive magic damage while she channels to the 3 nearest enemy champions.
Practical readDeath Lotus contributes damage. Its value changes with cooldown, range and target access; recognise the setup before moving into its effective area.
This cast has a wind-up, charge or channel. Movement, interruption or a changing target state can matter before the effect completes.
Adapt the plan
Judge the whole lane or map state, not only personal kills. Choose the situation closest to the current game.
Take efficient camps between plays so a lead does not disappear into repeated waiting.
Use lane priority before invading or starting an objective, and leave when nearby lanes cannot move.
Enter through controlled vision and keep a route out; a winning Jungler still loses a shutdown when isolated.
Track opposing camps and lane states instead of forcing the first visible target.
Trade sides of the map when contesting would require weaker lanes to move first.
Save important control for the enemy who threatens your carries or objective access.
Path through known territory and help lanes only when the opponent is genuinely vulnerable.
Cross-map rather than arriving late to a lost objective, then restore defensive vision with an ally.
Play around the strongest teammate and make the enemy commit into your control.
Pings, movement and objectives
Link each clear to the next informed decision. Pings should tell lanes where you are pathing and whether the team is contesting or trading an objective.
Pings create a shared plan; they do not replace checking waves, vision and who can move.
Decide which camps lead toward the objective and ping the nearby lanes before they spend the wave or recall timing.
Confirm which nearby lanes can move first. Do not convert an isolated objective marker into a forced fight.
Move with a teammate, sweep one entrance and keep Smite available before committing damage to the objective.
Call whether the team is finishing, fighting or leaving. Mixed decisions are more dangerous than either clear choice.
Later objectives: Repeat the same process around later major objectives: handle nearby income, communicate the route, enter through vision and agree on the fight before committing.
Use the guide
Compare a specific opponent, return to the champion overview, or choose another champion without losing the queue distinction.