Fiddlesticks Ultimate R is very good in team fights, especially in closed areas as it will allow him to deal damage to tons of champions at once.
Furthermore, in team fights, his will heal him a lot. The extra sustain/damage will be really beneficial in team fights.
Fiddlesticks laning phase is pretty simple. He is also pretty safe in lane. Focus on poking, trading, and not falling behind.
He is a mage, so any form of silence or channel interruption spell is his weakness. This is especially true if someone manages to interrupt his Ultimate R, as that is the ability that can single-handedly turn the tide of a team fight.
Grievous Wounds are quite effective against him. He is quite squishy as well so he won’t be able to do much if the enemy team gets healing reduction during the early game.
His biggest weakness is an enemy team that can ward well. This will legitimately counter Fiddlesticks entirely and will prevent him from all-inning the enemy team consistently. The vision will allow the enemy to anticipate his move and react accordingly.
0 - 15 min
Use the lane brushes and keep poking enemies with your . The goal is to get as many Fear procs as you can in this lane without taking much damage in return.
Your effigies should help you massively when it comes to setting up vision around the map. Ensure that the lane entrances are warded and that you keep poking the enemy relentlessly.
Once you get your Ultimate R, your team fight impact should increase massively. Use the effigies and bamboozle enemies with surprise Ultimate R's on them.
15 - 25 min
Try to roam around when possible as your Ultimate R, , and should make up for some easy ganks during this phase of the game. Work with your Jungler to invade the enemy Jungle and secure picks.
Your goal is to hide in the fog of war during team fights and then get a massive team-wide CC on the enemy team. Fighting around chokepoints should be very fruitful for you.
Setting up death brushes will be a pretty viable strategy during this phase of the game as well. Just make sure that you use your effigies to fool the enemies regularly. Sometimes, you may be able to bait out crucial abilities as well.
Start focusing on the enemy backline from now on. It should be effortless for you to do so as long as you're in the fog of war and have a defensive item like a Zhonya's Hourglass.
Your Ultimate will have a very short cooldown. This simply means that you can frequently fight around the map. Ensure that you are taking part in neutral, objective fights as well.
Picking off wandering enemies should be a pretty viable strategy during this phase of the game. If you manage to find a high-priority enemy target, don't hesitate to Flash > the target to kill them.
Fiddlesticks wants to poke and stay safe in the very early game. He is not very strong, so his job is to survive early.
Fiddlesticks first power spike is when he reaches level 6. Unlocking his Ultimate R offers him extra kill pressure in lane and will allow him to start looking for aggressive plays.
After Fiddlesticks has completed his first component item, he will be a little stronger and can start to trade more aggressively with the enemy.
Putting the second point in Fiddlesticks Ultimate R at level 11 is very important for him. It will put his Ultimate R on a shorter cooldown and allow him to look for more aggressive plays.
At this stage of the game, Fiddlesticks should’ve completed an item or two. His damage output will be quite high which can allow him to win mid-game team fights.
In the mid-game, teams start to group. This is good for Fiddlesticks as he benefits from teams grouping closely together as his Ultimate R is an AOE tool.
At level 16, Fiddlesticks will put the third and final point in his Ultimate R. As long as he can get the channel off, he will be very good in the late game.
Teams will continue to group in the late game. This will allow Fiddlesticks to get a lovely amount of damage down to the whole enemy team.
While you’re good in the late game, you’re incredibly squishy. Lookout and be cautious when trying to get a good Ultimate R off so you don’t get killed before a fight breaks out.