Prioritize wave control to farm safely and scale into a durable front line against Gragas's burst and disengage tools.
Manage lane pressure carefully to avoid giving Gragas easy short trades and to deny him passive sustain opportunities.
This is a control vs teamfight matchup; focus on stacking health and preparing for impactful engages with (Q) and (R).
Trading pattern
Use (E) slow to set up charged (Q) from fog or brush angles, punishing Gragas if he mispositions.
Avoid trading when your (W) shield is down or after a missed (Q) to reduce vulnerability to Gragas's burst.
Capitalize on Gragas's missed (E) by stepping forward for trades or wave pressure.
Danger windows
Respect (E) stun threat especially when it can come from fog or short range; avoid committing when it is available.
Be cautious of (R) displacement disrupting your engages; do not use (R) without clear follow-up or escape.
Avoid low-health fights where Gragas's passive sustain and burst can punish you heavily.
Early game
Use (W) shield to absorb Gragas's burst trades and avoid extended fights before level 6.
Avoid charging (Q) in obvious spots to prevent easy punishes from (E) stun.
Focus on stable farming and waveclear to reach your scaling thresholds without giving Gragas kill windows.
Power spikes
At level 6, use (R) with clear paths and team follow-up to force fights or return pressure to lane; respect (R) displacement by choosing safe engage angles.
Stack (W) health and build tank items to become a frontline that can absorb Gragas's burst and sustain short trades.
Respect Gragas's level 6 (R) and his first AP or tank item spikes by avoiding extended fights and punishing cooldowns.
Win conditions
Use wave control and health scaling to survive early pressure and become a durable frontline.
Land charged (Q) from fog or brush to initiate fights and punish Gragas's positioning mistakes.
Execute long-range engages with (R) when your team is ready to follow, turning teamfights in your favor through disruption and crowd control.
Tip: For Sion vs Gragas, read overview, trading pattern, and danger windows first for a fast Top lane check.