Hi anyone or person who found this build. This is build is for fun and I would not recommend this build in ranked or ur teammates may call u a troll. This is my first time making a Guide so don't go rough on me but I will take any constructive criticism. Anyways I should introduce myself. I am a player who has been playing for a year and I main the roles of top and mid. Let's get right into the build aka this build is for experienced ekko player.

Im going to make this short and simple-
Quints: no question Ability Power Quints
Glyphs: It's good to have a some defense against ap champions
Seals: Its still very good to have resist against ad champions
Marks: I would go magic pen because this build lacks it but if u want too build more ap then u can go ap marks if u are building more tanky

Masteries are gonna be very short since this is where i am kind a of lacking in skill (sadly) but I would recommend going going 12 in ferocity and 18 in culling.
No doubt thunderlords on ekko is great for him but if u have any other masteries or keystones plz tell me in comments and i will try to put it if it seems legit

In the first recall i gave u a choice of either buying a needlessly large rod or aether wisp also health pot. If u have a lot of gold buy needlessly large rod and health pot or if ur low on gold buy aether wisp with health pot. If u are getting bullied a lot in lane ather and health pot(s)would be nice. U might be thinking why Luden's Echo first???? Well the thing is luden gives wave clear and damage which is a very good item on Ekko and then u will be building zhonya's after giving u armor AP and CDR making very good first items in my opinion at least. Buying boots is necessary and buying Sorcerer's Boots is great as it gives u Magic pen and 45 movement speed which helps a lot and getting right after that is Rabadon's Deathcap a very good solid item for ap champions gives a lot of ap (120) and increases ability power by 35%. Then u see these very strange items on ekko and they are listed as core and u might be thinking is this guy think straight well I made these core because these items must stay in the build at all cost. Anyways these items give u so many stats and i'm just gonna tell u i'm not going to say them right now but these items give u tankiness and damage and CDR which benefit u alot in the late game in my opinion. For the situational Items go void staff for more magic penetration, dead mans for the strong aa and defensive stats also movement speed and Abyssal scepter for the ap resist and lower ap resist. Buy the boots if ur going void staff and need extra defensive stats.

This is pretty basic but
MAX Q FIRST
THEN E
AFTER THAT W
ALWAYS MAX R WHEN GIVEN CHANCE
Go q then e then w then max Q then E then W but always max R when Given Chance

Flash good for escape, engage, plays, will work in anytime of the game, best summoner, works well with anything
Ignite very good for snowball champs for example (zed,yasuo,ekko etc) a pretty staple summoner for ekko, great for early game, mid is okay, late game weak
Teleport got nerfed but still very viable, good map pressure and lane pressure, good if fighting a heavy poke champ or ganking lanes etc, works well in anytime of the game
Exhaust and Cleanse: Good for dueling and utility, i wouldn't recommend this unless enemy team has a lot of duels or heavy cc but u do u.
Others: I mean heal is okay and ummm the others are okay too but others are on the bottom including heal because ur ult already heals u.

Summoner Spell Combos:
Flash ignite-Highly Recommend
Flash Teleport- Recommended
Ignite teleport- Good but the others are more safer but this is a high risk high reward summoners

I hope this build would appeal to you and share with everyone. Remember this is for fun and I would take any constructive criticism. I apologize for the masteries being lackluster it's not very informative but i would like to hear your guys thoughts about the masteries and everything else and plz go easy on me this is my first Guide and i'm not very experienced with this. Im also sorry how inconsistent it is but I will do more editing for this guide. But I hope u guys have fun with this build i know i had and I wish you good luck on the summoner's rift.
GL HF!!!!!
aka if u guys got name recommendations for the build tell me I would like to hear and tell me if u like it :D.