
Guardian's Hammer
950 goldAdds attack damage, health and life steal for physical champions who rely on repeated basic attacks in Swiftplay.
Game patch 26.21Data Dragon 16.21.1
Reference patch 16.20.1
Jayce has an established solo-lane plan with the income and space needed to trade, manage waves and influence a side lane.
These patches track recommendation review, build validation and item lookup separately. Updating item data does not complete a build review.
Swiftplay · Top
Follow the completed-item order as a pre-game reference. Components and owned items do not create extra inventory slots.

Adds attack damage, health and life steal for physical champions who rely on repeated basic attacks in Swiftplay.

Adds lethality and movement for picks and rotations.

Adds inexpensive ability haste and movement speed.

Adds lethality and an energised slow for a first pick window.

Adds percentage armour penetration and a slow after ability damage.

Adds health, lethality and a spell shield before a risky entry.

Adds a revive after the damage core is established.
Buy this only after selling the Guardian starter when all six permanent slots are needed.
Complete build choices
Recommendation review pending
Best when: Mortal Reminder combines armour penetration with anti-heal.
Buy this only after selling the Guardian starter when all six permanent slots are needed.
Best when: Wit's End adds magic resistance without giving up attack speed.
Buy this only after selling the Guardian starter when all six permanent slots are needed.
Best when: Lord Dominik's Regards adds percentage armour penetration.
Buy this only after selling the Guardian starter when all six permanent slots are needed.
Runes and summoner spells
Use repeated combat and durability rather than gambling the long solo lane on one short trade.
Teleport preserves recalls and side-lane access. Ignite is a deliberate pressure trade-off, not a universal upgrade.
Keep the defensive secondary runes when repeated poke or one committed trade can decide the lane.
Static alternatives
These choices are not selected from live scores. Use one only after you identify the stated match problem yourself.

Mortal Reminder combines armour penetration with anti-heal.

Wit's End adds magic resistance without giving up attack speed.

Lord Dominik's Regards adds percentage armour penetration.
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 doesWhen Jayce swaps weapons he gains Move Speed for a short duration.

What it doesHammer Stance: Leaps to an enemy dealing physical damage and slowing enemies. Cannon Stance: Fires an orb of electricity that detonates upon hitting an enemy (or reaching the end of its path) dealing physical damage to all enemies hit.

What it doesHammer Stance: Passive: Restores Mana per strike. Active: Creates a field of lightning damaging nearby enemies for several seconds. Cannon Stance: Gains a burst of energy, increasing Attack Speed to maximum for several attacks.

What it doesHammer Stance: Deals magic damage to an enemy and knocks them back a short distance. Cannon Stance: Deploys an Acceleration Gate increasing the Move Speed of all allied champions who pass through it. If Shock Blast is fired through the gate the missile speed, range, and damage will increase.

What it doesHammer Stance: Transforms the Mercury Hammer into the Mercury Cannon gaining new abilities and increased range. The first attack in this form reduces the target's Armor and Magic Resist. Cannon Stance: Transforms the Mercury Cannon into the Mercury Hammer gaining new abilities and increasing Armor and Magic Resist. The first attack in this form deals additional magic damage.
Adapt the plan
Judge the whole lane or map state, not only personal kills. Choose the situation closest to the current game.
Hold a favourable wave, pressure the enemy away from farm and keep enough vision to survive the second opponent.
Push before moving to an objective; arrive through a known route rather than giving up the wave and your shutdown.
Use the lead to occupy space for the team. Do not chase through the entire enemy formation for one target.
Keep health and minions balanced so one poor trade does not decide the lane.
Move after the wave is handled and communicate if the opposing Top laner leaves first.
Choose between front-line duty, side pressure and carry access according to the champion kit.
Farm near safety, avoid repeating the losing trade and ask for help only when the wave creates a realistic window.
Do not follow a stronger opponent through unseen river. Signal the move and recover guaranteed resources.
Contribute control or pressure to the nearest safe target instead of trying to repair the score alone.
Pings, movement and objectives
Manage the long lane before leaving it. A useful move begins with a handled wave, a visible route and a teammate who knows you are coming.
Pings create a shared plan; they do not replace checking waves, vision and who can move.
Push, catch or communicate the wave before leaving so the opponent does not gain a free move and free income.
Use On My Way for the route you are actually taking and Danger where an unseen opponent may arrive.
Move through controlled vision with the Jungler or another ally instead of face-checking the objective alone.
Decide whether you are engaging, front-lining, flanking or protecting a carry before the fight begins.
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.