Tip
Maintain some distance to avoid being stunned when Volibear charge sin using Thundering Smash (Q). Use Body Slam [E] and Barrel Roll [Q] to create some distance before closing back in.
Gragas vs Volibear

Maintain some distance to avoid being stunned when Volibear charge sin using Thundering Smash (Q). Use Body Slam [E] and Barrel Roll [Q] to create some distance before closing back in.