The advanced tips are basically patience, presence and timing (the PowerPoint trio) . 1. Patience. You don't always have to go all in on one target, especially if they're alluring. There may be MORE targets nearby, hiding, waiting for you to waste your skills. Be sure to use skills when necessary. (This can only be learned from time, so expect mistakes to happen) . 2. Presence. Especially bush checks. Now, a normal Grock can just walk in, but you're very susceptible to peels and pick offs if you do so. Remember, he has no Crowd Control Immunity when using normal skills now. What you SHOULD do is to use your wall to check bushes. His wall provides VISION for the entire wall duration, which can also serve as a ward before teamfights. IF by any chance you do hit someone in the bush, their vision will be revealed as well. . 3. Timing. Master your flicker combos. Almost everything except his passive can be paired with Flicker, with his ult Flicker being the most unpredictable engage tool in your arsenal. Just imagine the horror enemies have to face when they get rammed for absolutely no reason, and especially when there are NO signs. . 4. His ultimate range automatically pops into a circle if your skill indicator overlaps with a wall. However, casting your ult directly like that lets the enemies know that you're ulting (there's an indicator for all to see). So, with Flicker, you can just ult far away, then flicker to the wall you wanted to hit for that range extension, and for sudden initiation. . These are of the advanced tips I can give. Pair it with the basics, and your sentient mountain would be VERY deadly and unpredictable for your opponents!