{"id":17530,"date":"2026-02-18T15:06:08","date_gmt":"2026-02-18T15:06:08","guid":{"rendered":"https:\/\/magicstark.cz\/wiki\/jaksho-the-protean\/"},"modified":"2026-02-28T12:55:44","modified_gmt":"2026-02-28T12:55:44","slug":"jaksho-the-protean","status":"publish","type":"wiki","link":"https:\/\/magicstark.cz\/en\/wiki\/jaksho-the-protean\/","title":{"rendered":"Jak’Sho, The Protean"},"content":{"rendered":"\n

What is Jak’Sho, The Protean? \ud83d\udc1a<\/strong><\/h2>\n\n\n\n

Jak’Sho, The Protean is the balanced dual-resistance tank item that rewards sustained frontline combat with exponentially scaling armor and magic resistance<\/strong>. Unlike pure armor items (Thornmail<\/strong><\/a>, Randuin’s Omen<\/strong><\/a>) or pure MR items (Kaenic Rookern<\/strong><\/a>, Force of Nature<\/strong><\/a>), Jak’Sho provides equal armor and MR<\/strong> from a single item slot \u2014 and then amplifies both simultaneously when the VOIDBORN RESILIENCE passive reaches maximum stacks in combat.<\/p>\n\n\n\n

The VOIDBORN RESILIENCE passive operates on a simple loop: 1 stack per second in combat, maximum 5 stacks<\/strong>. After 5 seconds in combat, the holder’s bonus armor and bonus magic resistance both increase by 30%<\/strong> \u2014 simultaneously amplifying both defensive stats for the remainder of that combat engagement. The item quote captures the concept of adaptive, living defense: the longer the engagement continues, the harder Jak’Sho becomes to kill.<\/p>\n\n\n\n

The critical mechanical nuance is that VOIDBORN RESILIENCE amplifies BONUS resistances, not total resistances<\/strong>. Base armor (which scales with champion level and base stats) is not amplified \u2014 only the bonus resistances from items, runes, and abilities. This makes Jak’Sho strongest on champions who stack multiple resistance items, as more bonus resistance means a larger absolute value to amplify by 30%. At 3,200 Gold<\/strong>, the item builds from Giant’s Belt<\/strong><\/a>, Chain Vest<\/strong><\/a>, and Negatron Cloak<\/strong><\/a> with a 650g combine. Sell: 2,240 Gold<\/strong>. ID: 6665.<\/p>\n\n\n\n

\ud83d\udcca Base Statistics<\/strong><\/h2>\n\n\n\n
Statistic<\/strong><\/td>Value<\/strong><\/td><\/tr>
Total Cost<\/td>3,200 Gold<\/td><\/tr>
Combine Cost<\/td>650 Gold<\/td><\/tr>
Sell Price<\/td>2,240 Gold<\/td><\/tr>
Armor<\/td>+45 armor<\/td><\/tr>
Magic Resistance<\/td>+45 MR<\/td><\/tr>
Health<\/td>+350 HP<\/td><\/tr>
VOIDBORN RESILIENCE: Stack trigger<\/td>1 stack per second in combat with enemy champions<\/td><\/tr>
VOIDBORN RESILIENCE: Max stacks<\/td>5 stacks (5 seconds of continuous combat to reach maximum)<\/td><\/tr>
VOIDBORN RESILIENCE: Effect trigger<\/td>At maximum stacks (5)<\/td><\/tr>
VOIDBORN RESILIENCE: Effect<\/td>+30% BONUS armor and +30% BONUS magic resistance<\/td><\/tr>
VOIDBORN RESILIENCE: Duration<\/td>Until end of combat<\/td><\/tr>
VOIDBORN RESILIENCE: Applies to<\/td>BONUS resistances ONLY \u2014 base armor and base MR are NOT amplified<\/td><\/tr>
First combat ramp<\/td>The first instance of combat generates maximum stacks immediately<\/td><\/tr>
Item Limit<\/td>Limited to 1 Jak’Sho, The Protean<\/td><\/tr>
Item ID<\/td>6665<\/td><\/tr>
Availability<\/td>SR 5v5, ARAM, Nexus Blitz, Arena<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\ud83d\udcca VOIDBORN RESILIENCE \u2014 Bonus Resistance Amplification Math<\/strong>30% amplification applies to BONUS resistances from items, runes, and ability bonuses \u2014 NOT to base armor\/MR from champion level and base stats.Example: Champion with 60 base armor (from level + base stats) and 130 bonus armor (from items).  Total armor without VOIDBORN: 60 + 130 = 190 armor.  VOIDBORN at max stacks: 130 bonus armor \u00d7 1.30 = 169 bonus armor amplified.  Total armor at max stacks: 60 + 169 = 229 armor (+39 effective armor from VOIDBORN on this bonus amount).Example 2: Full tank with 60 base armor and 250 bonus armor (4 armor items).  VOIDBORN amplifies 250 \u00d7 0.30 = 75 additional bonus armor.  Total: 60 + 250 + 75 = 385 armor vs 310 without VOIDBORN (net +75 armor at max stacks).Same math applies simultaneously to MR. A tank with 250 bonus MR gains +75 bonus MR at max VOIDBORN stacks.Key insight: the more bonus resistance items built, the larger the absolute VOIDBORN amplification. Stacking multiple armor + MR items maximizes VOIDBORN’s effective bonus \u2014 it rewards the multi-resistance building strategy that Jak’Sho’s balanced stat profile encourages.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ud83d\udd28 Recipe & Components<\/strong><\/h2>\n\n\n\n

Jak’Sho builds from Giant’s Belt + Chain Vest + Negatron Cloak<\/strong> with a 650g combine:<\/p>\n\n\n\n

Component<\/strong><\/td>Cost<\/strong><\/td>Notes<\/strong><\/td><\/tr>
Giant’s Belt<\/td>900 Gold (+500)<\/td>Ruby Crystal \u2014 +HP component; provides early HP before completing Jak’Sho; the HP input ensures the item contributes bulk alongside its resistance package<\/td><\/tr>
Ruby Crystal<\/td>400 Gold<\/td>Part of Giant’s Belt \u2014 HP input<\/td><\/tr>
Chain Vest<\/td>800 Gold (+500)<\/td>Cloth Armor \u2014 +40 armor; provides immediate armor mid-build; also builds into Thornmail, Sunfire Aegis, and other armor legendaries<\/td><\/tr>
Cloth Armor<\/td>300 Gold<\/td>Part of Chain Vest \u2014 armor input<\/td><\/tr>
Negatron Cloak<\/td>850 Gold (+450)<\/td>Null-Magic Mantle \u2014 +40 MR; highest MR-per-gold component; also builds into Force of Nature, Kaenic Rookern, and other MR legendaries<\/td><\/tr>
Null-Magic Mantle<\/td>400 Gold<\/td>Part of Negatron Cloak \u2014 MR input<\/td><\/tr>
Combine Cost<\/td>650 Gold<\/td><\/td><\/tr>
Total<\/td>3,200 Gold<\/td>Complete Jak’Sho, The Protean \u2014 the most expensive component is the balanced dual-resistance package<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\ud83d\udca1 Component Purchase Strategy \u2014 Balanced Resistances from Mid-Build<\/strong>Chain Vest<\/strong><\/a> (800g) or Negatron Cloak<\/strong><\/a> (850g) first back: prioritize based on the primary threat. Against physical-dominant lane: Chain Vest first. Against AP-dominant lane: Negatron Cloak first.Giant’s Belt<\/strong><\/a> (900g): purchased when the lane phase requires HP for early all-in survival rather than pure resistance. The HP input also slightly grows the effective resistance from VOIDBORN by raising the tank’s overall durability floor.Recommended purchase path vs mixed threat: Negatron Cloak (850g) + Chain Vest (800g) \u2192 second back with remaining gold \u2192 combine at 650g. Both resistances established before full item; the item completes with all three component effects live simultaneously.At 3,200g total, Jak’Sho is one of the more expensive legendaries \u2014 the cost reflects the balanced dual-resistance design. Budget accordingly: expect first item completion around 16-20 minutes in a typical support\/tank game.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ud83d\udd2e VOIDBORN RESILIENCE \u2014 Complete Mechanics Reference<\/strong><\/h2>\n\n\n\n

Stack Accumulation \u2014 1 Per Second in Combat<\/strong><\/h3>\n\n\n\n

VOIDBORN RESILIENCE stacks at 1 stack per second while in combat with enemy champions<\/strong>. “In combat” means actively engaged \u2014 the stack timer ticks during fights where the holder is taking damage, dealing damage, or otherwise in active combat with an enemy champion. The stack counter maxes at 5, which requires 5 consecutive seconds of combat<\/strong> in a normal scenario.<\/p>\n\n\n\n

The first instance of combat generates maximum stacks immediately<\/strong> \u2014 this is the wiki strategy note explicitly provided for the item. In practical terms, the very first fight the holder engages in produces all 5 stacks at once, meaning the +30% bonus resistance amplification is available essentially from the start of the first combat engagement rather than requiring 5 seconds of ramp time in that initial fight. This first-fight advantage rewards proactive engagement and reduces the item’s weakness against burst champions who try to kill before 5 stacks build.<\/p>\n\n\n\n

BONUS Resistance Amplification \u2014 The Critical Distinction<\/strong><\/h3>\n\n\n\n

At maximum stacks, VOIDBORN RESILIENCE increases bonus armor and bonus magic resistance by 30%<\/strong>. This is specifically the bonus component \u2014 resistances granted by items, runes, and ability bonuses. Base armor and base MR from champion base stats and level scaling are not amplified<\/strong>. A level 18 champion with 100 base armor and 50 MR from base stats receives zero benefit on those base stats from VOIDBORN.<\/p>\n\n\n\n

The practical implication: VOIDBORN rewards building more bonus resistance items alongside Jak’Sho<\/strong>. A tank running Jak’Sho as the only resistance item with 45 bonus armor and 45 bonus MR gains +13.5 bonus armor and +13.5 bonus MR at max stacks. A tank running Jak’Sho + Thornmail<\/strong><\/a> + Force of Nature<\/strong><\/a> has 45 + 60 + 45 = 150 bonus armor and 45 + 60 = 105 bonus MR \u2192 VOIDBORN amplifies +45 bonus armor and +31.5 bonus MR. The multi-resistance building approach maximizes absolute VOIDBORN value.<\/p>\n\n\n\n

VOIDBORN RESILIENCE \u2014 Full Mechanics Table<\/strong><\/h3>\n\n\n\n
Mechanic<\/strong><\/td>Detail<\/strong><\/td><\/tr>
Stack trigger<\/td>1 stack per second while in combat with enemy champions<\/td><\/tr>
Maximum stacks<\/td>5 stacks<\/td><\/tr>
Time to max stacks (normal)<\/td>5 seconds of continuous combat<\/td><\/tr>
First combat ramp<\/td>The first instance of combat generates MAXIMUM stacks immediately<\/td><\/tr>
Effect trigger<\/td>At 5 stacks (maximum)<\/td><\/tr>
Armor bonus<\/td>+30% of BONUS armor (SR) \/ +40% in Arena<\/td><\/tr>
MR bonus<\/td>+30% of BONUS magic resistance (SR) \/ +40% in Arena<\/td><\/tr>
Applies to<\/td>BONUS resistances ONLY \u2014 base armor and base MR are NOT amplified<\/td><\/tr>
Effect duration<\/td>Until end of combat<\/td><\/tr>
Passive or active<\/td>Passive \u2014 automatic stack accumulation and effect trigger<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u26a0\ufe0f VOIDBORN RESILIENCE \u2014 Critical Rules<\/strong>30% amplifies BONUS resistances ONLY \u2014 base armor and base MR from champion stats are not amplified. Only item, rune, and ability bonus resistances are amplified.5 seconds to max stacks in normal combat \u2014 against assassins who burst in under 5 seconds, VOIDBORN may not reach maximum before the critical damage window.First instance of combat generates MAXIMUM stacks immediately \u2014 the very first fight engagement activates full VOIDBORN benefit without the 5-second ramp.At maximum stacks the effect lasts until END OF COMBAT \u2014 once 5 stacks are reached, the +30% persists for the entire remaining fight, not just briefly.Passive and automatic \u2014 no button presses or ability activations needed. Stacks generate automatically during any in-combat-with-enemy-champion window.Arena: the bonus resistance amplification increases to 40% (vs 30% on SR) \u2014 a meaningful 10% increase that makes Arena Jak’Sho proportionally stronger.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\ud83d\udca1 First Combat = Maximum Stacks \u2014 Why This Matters<\/strong>The wiki strategy note explicitly states: ‘The first instance of combat will generate the maximum number of stacks for VOIDBORN RESILIENCE.’In practical gameplay: the very first fight the holder engages in (first gank, first skirmish, first teamfight) produces all 5 stacks immediately. The +30% bonus resistance amplification is active from the first combat interaction.This means the 5-second ramp concern applies to SUBSEQUENT fights only \u2014 re-engaging after leaving combat requires the 5-second buildup again. But the first engagement of any game phase benefits from instant max stacks.Practical application: in teamfights where the holder is the engage champion (Malphite R, Jarvan E+Q+R), the initiation itself triggers the first combat interaction, generating max stacks before the bulk of incoming damage arrives. The tank has VOIDBORN’s full +30% bonus resistance amplification live during the critical first-strike counter-damage phase.For split-push scenarios: re-entering a fight after backing away resets to 0 stacks and requires the 5-second ramp. Managing combat continuity (staying in combat vs breaking and re-engaging) affects whether VOIDBORN is at full strength or ramping.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ud83d\uddfa\ufe0f Map-Specific Differences<\/strong><\/h2>\n\n\n\n
Stat \/ Passive<\/strong><\/td>SR 5v5 \/ ARAM \/ Nexus Blitz<\/strong><\/td>Arena<\/strong><\/td><\/tr>
Health<\/td>+350 HP<\/td>+350 HP \u2192 changed to 350 (same base, wiki notes change)<\/td><\/tr>
Armor<\/td>+45 armor<\/td>+35 armor (reduced by 10)<\/td><\/tr>
Magic Resistance<\/td>+45 MR<\/td>+35 MR (reduced by 10)<\/td><\/tr>
VOIDBORN bonus<\/td>+30% bonus resistances<\/td>+40% bonus resistances (increased by 10%)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\ud83d\udca1 Arena Jak’Sho \u2014 Less Base Stats, More VOIDBORN Scaling<\/strong>Armor 45\u219235 and MR 45\u219235: both base resistances reduced by 10 in Arena. Jak’Sho provides 10 less armor and 10 less MR as baseline stats vs SR.VOIDBORN bonus 30%\u219240%: the max-stack resistance amplification increases from 30% to 40% of bonus resistances in Arena.The net math: lower base stats (\u221210 armor\/MR) but higher amplification ceiling (+10% VOIDBORN). A tank in Arena with 200 bonus armor receives 200 \u00d7 0.40 = 80 additional armor at max stacks vs 200 \u00d7 0.30 = 60 on SR \u2014 a +20 bonus armor advantage from the higher multiplier.Whether Arena Jak’Sho is stronger or weaker than SR depends on the bonus resistance total. At low bonus resistances (< 100 bonus armor): the \u221210 base armor reduction outweighs the +10% VOIDBORN gain. At high bonus resistances (200+ bonus armor\/MR): the 40% VOIDBORN provides more total resistance than the 30% SR multiplier compensates for the \u221210 base reduction.Arena evaluation: in long rounds with high HP resistance augments, Jak’Sho’s 40% VOIDBORN scales significantly. The item is stronger in Arena against HP\/resistance-heavy augment builds that stack bonus armor\/MR from multiple sources.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ud83c\udfaf When to Build Jak’Sho, The Protean<\/strong><\/h2>\n\n\n\n

Jak’Sho is most effective in mixed-damage environments where both physical and magic damage are significant threats<\/strong> \u2014 a scenario where investing in pure armor or pure MR would leave one damage type undermitigated. The balanced +45\/+45 resistance profile addresses both simultaneously from a single item slot, and VOIDBORN’s percentage-based amplification scales with both in parallel.<\/p>\n\n\n\n

\u2705 Build Jak’Sho When:<\/strong><\/h3>\n\n\n\n