Bruiser eudora
The purpose of this build is to allow eudora to reach 40-45% cooldown reduction, and upon reaching that condition it will allow you to spam your first skill forever as long as you dont break the passive. This build grants you alot of hp ( concentrated, and glowing wand) while also giving you movement speed, make sure you maximize your stack in clock of destiny, and concentrated so that you can utilize this build more. For the last item, you can change wishing lantern to lightning truncheon depending on the enemy.
Bruiser
We need the adaptive dmg/pen as this build focuses on shredding high hp heros like fredrinn, ruby, belerick. (Use this when facing heros with high hp)
Bruiser Burst
Use this emblem if you wanna burst squishy heros, whilst being a bruiser at the same time.
Battle Spell
Flicker is the best for this build as this allows you to escape tight situations, and will also allow you to surprise combo squishy hero.
Mid / Late game
For your laning progression, i suggest that you stay safe early on the game as this build is intended for bruising. Here's what you can do (what i do everytime): Clear lane Go to gold (much better if you kill the mm) Back to lane Gank exp or gold So that you can earn gold fast and build the core items.
Best With Tigreal
This is good as tigreal will pull the enemy using his ult, and eudora can back up tigreal by combo'ing on the gathered enemy allowing eudora's passive to be maximized. ( By spreading super conductor it allows the ultimate to spread also)
Watch Out For Novaria
Annoying because you can't get close to her