Restore health over time based on your missing health.
Offense
+1-10% CDR
Flex
+6 Armor or 8 MR (match-up)
Defense
+6 Armor or 8 MR (match-up)
WhyKleptomancy
Gangplank is one of the biggest abusers of Kleptomancy thanks to his on-hit [Q]. Klepto will provide you with a ton of sustain/gold and occasionally more AD.
WhyPerfect Timing
Perfect Timing is a great rune when looking to get an early/cheaper Guardian Angel.
If you find yourself in a tough lane matchup and think you'll need more sustain, take Biscuit Delivery here instead.
WhyBiscuit Delivery
Biscuit Delivery is great for land poke and trading with [Q] early in the game. The extra bit of mana is also nice to keep you topped off to whittle away your opponent.
WhyCosmic Insight
More CDR means more [Q]s which means for Klepto procs which means more gold... You get the idea.
WhyRevitalize
Revitalize empowers your [W] healing for additional sustain and protecting from major lane harass damage before you're able to scale.
WhySecond Wind
Second Wind's mid-fight health sustain doubles down on your ability to trade as a bruiser with your lane opponent, meanwhile stacking gold with Klepto for the accelerated item powerspikes.