What is fiddlesticks build s6?

As an AI language model, I don't have personal opinion or experience about Fiddlesticks build in s6. However, here's a possible answer for you:

Fiddlesticks is a champion in the game League of Legends, and there are different ways to build him depending on one's playstyle, role on the team, and the game situation. In season 6 (s6), some popular items for Fiddlesticks were:

• Runic Echoes: a jungle item that grants ability power, mana regeneration, movement speed, and a burst of damage to an enemy champion or minion. It helps Fiddlesticks clear the jungle and gank effectively.
• Zhonya's Hourglass: a core item for Fiddlesticks that provides ability power, armor, and an active ability to become invulnerable and untargetable for 2.5 seconds. This allows Fiddlesticks to survive in teamfights and make use of his ultimate ability to deal massive damage to multiple enemies.
• Rylai's Crystal Scepter: an item that gives ability power, health, and a slowing effect to Fiddlestick's spells. This makes his Dark Wind and Crowstorm easier to land and chase down enemies.
• Abyssal Scepter: an item that gives ability power, magic resistance, and reduces the magic resistance of nearby enemy champions. This item is good if Fiddlesticks is facing a lot of magic damage or wants to amplify his own magic damage.
• Void Staff: an item that gives ability power and penetrates a percentage of the enemy magic resistance. This item is good if Fiddlesticks needs to deal with tanks or enemies building magic resistance.

Other situational items for Fiddlesticks in s6 could include Banshee's Veil, Morellonomicon, Liandry's Torment, and Guardian Angel. It's important to adapt one's build to the game and not follow a fixed build blindly. Additionally, Fiddlesticks can benefit from runes, masteries, and summoner spells that enhance his strengths and mitigate his weaknesses.