Dorks and Dweebs Flubber

Extra Charge is Optional

Improving Damage

Weapons that you may want

Buy what is needed

Damage & upgrades

Puddle Punch deals a melee hit now, so it pays to lean into it early
Spirit Strike and Mystic Burst as your first items will give you nasty harras potential in lane
It also allows you to use more melee hits in combat
HV Mag is great for Viscous' slow projectile speed.

Later on, your main damage will come from good use of your Splatter
Thus, you need to max it ASAP
This is also the skill you want to imbue, and what you should be buying Echo Shard for
If you're confident with Goo Ball, consider Phantom Strike to instantly get on top of people
Ultra late, defenses are up to taste.