Lightning Rod Skill

Is Lightning Rod good in Slay the Spire 2?

Lightning Rod is a common Defect skill in Slay the Spire 2. In combat it resolves as: Gain 4 Block. At the start of the next, Channel 1 Lightning. It currently underperforms most alternatives, sitting at D tier in our Slay the Spire 2 card rankings.

Across 1453 recorded runs, decks running it win 17.5% of the time, comfortably clear of the 14.3% average, by 3.2%. It’s a more selective pick, turning up in just 5.4% of decks that could run it. Offer data is close to a wash — 25.6% of offers taken, 17.4% for runs that picked it against 18.0% for runs that skipped, a pick lift of just -0.6% over 1185 decided runs. Defect players keep it in 24.5% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.3 times in the decks that take it.

It performs best next to Apotheosis — together they post a +30.2% swing in win rate. It also has strong chemistry with the relic Delicate Frond, which moves its win rate by +33.5%. At 1 energy, it’s upgraded in 23.9% of runs and usually joins the deck around floor 11.

Upgraded, it gains +3 Block, which is why so many decks invest a rest-site upgrade in it. That’s 252 wins, 1190 deaths, and 11 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Knowledge Demon Boss, which closes out 6.5% of its appearances. Read on for Lightning Rod’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Defect run.

Pick or Skip: Lightning Rod

Out of 5698 recorded offers Lightning Rod is taken 25.6% of the time, and taking it is worth -0.6% in pick lift — 17.4% for runs that picked it against 18.0% for runs that skipped, across 1185 decided runs.

Taken 1460 times out of 5698 offers.

Pick rate when offered counts offers, not runs: out of every time the game put this in front of a player, how often it was taken. It is not the same number as the share of runs that end up containing it.

Pick lift is the sample-adjusted gap between runs that took the option and runs that passed on it. It is the fair way to rank choices, because raw win rates put the smallest samples on top.

When to Pick Up Lightning Rod

Lightning Rod is strongest when it joins the deck in Act 3, where runs win 51.6% across 64 runs — one of 4 recorded pickup windows.

Win rate of runs by the act Lightning Rod entered the deck. Acts that have not reached the sample floor show their run count only.

Best Cards to Pair with Lightning Rod

Ranked by win-rate lift, Lightning Rod performs best alongside Apotheosis (+30.2%), Mad Science (+22.6%), and Production (+22.0%).

Apotheosis+30.2%23 runsMad Science+22.6%104 runsProduction+22.0%41 runsProlong+20.7%26 runsGold Axe+20.0%16 runsFasten+18.7%28 runs

Based on small co-occurring samples — treat these as early signals, not final verdicts.

Lightning Rod Win Rate by Class

Lightning Rod is drafted only by the Defect, where it holds a 17.4% win rate across 1427 runs.

The Defectappears in 24.5% of its runs (1427 tracked)

Best Relics for Lightning Rod

Lightning Rod pairs best with the relics Delicate Frond (+33.5%), Sword of Jade (+31.9%), and Jewelry Box (+30.2%), ranked by win-rate lift.

Delicate Frond+33.5%15 runsSword of Jade+31.9%32 runsJewelry Box+30.2%23 runsCaptain's Wheel+27.9%50 runsSturdy Clamp+27.2%61 runsGlitter+26.6%28 runs

Based on small co-occurring samples — treat these as early signals, not final verdicts.

Lightning Rod Card Details

Lightning Rod is a common skill costing 1 energy; it’s upgraded in 23.9% of runs and usually picked up by floor 11.

Gain 4 Block. At the start of the next, Channel 1 Lightning.

Upgrade: +3 Block

What Ends Runs with Lightning Rod

Lightning Rod’s most common run-enders are Knowledge Demon Boss (6.5%), Kaiser Crab Boss (5.6%), and Queen Boss (5.4%).

• Knowledge Demon Boss6.5% of runs
• Kaiser Crab Boss5.6% of runs
• Queen Boss5.4% of runs
• Aeonglass Boss5.3% of runs
• Test Subject Boss4.7% of runs

See Also

Compare Lightning Rod with the rest of the best Slay the Spire 2 cards, relics, and classes below.