剛普朗克+基本功夫S+Back to Basics massively boosts barrel damage for one-shot kills — barrels have innate 40% armor pen, so they hurt tanks too. Need solid barrel-chain skill; watch positioning vs long-range poke.
剛普朗克+祕術拳擊SMystic Punch enables infinite Q; Dusk and Dawn lets Q proc Sheen, so it's perfect for players who can't barrel-chain — just max Q.
剛普朗克+別眨眼S80% of GP's damage comes from barrels (E), which the system treats as zero-MS enemy targets. When firing barrels, he gains MS and slows enemies, opening up a huge MS gap and locking E into its 40% damage cap. Post-explosion bonus MS keeps the gap up for sustained huge damage.