I think I found a new build for galio : r/galiomains
LoL Guide, Build for Galio, Mid, S10 - Millenium
Galio Build with Highest Winrate - LoL Runes, Items, and Skill Order
The current Rank 1 Galio is a 600 LP support main who is dunking on the melee support meta. Here's his build, runes and spells maxing order. : r/galiomains
Galio ARAM Build, Runes, Items, Skills (Patch 14.05) - OP.GG - League of Legends
Most unpopular League of Legends champion is in for underwhelming buffs - Dexerto