My name is Deathbat1 and I am a bronze 1 former support main with mastery 5, 26,530 mastery points on tank Sion top. I have a roughly 71% winrate on Sion and this is the build I have used to get there. The funniest thing about Sion and tanks in general you build armor to reduce physical damage, MR to reduce magic damage, and anti-depressants to reduce the emotional damage of your inting *** teammates.

PROS + Reliable + Good into most tanks and bruisers + Split push and teamfight damage sponge + Very straight forward build + Easy to learn + Easy to farm with

CONS - Immobile without ult - Not a 200 years champ - very little damage - easily kited - weak to slows like Ashe or Rylai's

Reasoning:

W is your best level 1 ability due to it giving Sion a shield and free health when you kill minions. The shield allows you to easily farm the first couple waves without taking too much damage. Next you will level up your Q and E then max Q for maximum damage. Next you will max W for better sustain in team fights and lastly E which is the least important ability to max due to it not increasing how much armor it reduces.

Grasp of the Undying: Sion is one of the best Grasp users as he can use his W to help negate the damage when trading. It also allows for Sion to scale his shield strength and Q damage late game Slot 1 Demolish: This rune allows for Sion to take towers and tower plantings and with the runes + 35% of your maximum health scaling it makes for a wonderful rune on full tank Sion Slot 2 Conditioning Conditioning is a great rune on Sion and should be taken into most if not all melee match-ups. As full tank Sion you will have a lot of health and very little resistances so this rune will help make up for it. Second Wind Second Wind should be built into all champion's ranged top laners and champs like Darius who have damage over time. Slot 3 Overgrowth: To top off the max health scaling on Sion you should take Overgrowth. It allows for Sion to gain some max hp whether you kill them or not. For every 8 monster or enemy minion that die around you it will give you gain 3 bonus health which stacks indefinitly like the passive on Soul Furnace. After stacking it 15 times it will increase your health by 3.5% of your max health which is a lot with this build Secondary Runes Approach Velocity: Allows for Sion to catch up to enemy champions especially in lane so he can easily stack grasp and heartsteal. Minion Dematerializer I have been really enjoying Minion Dematerializer. The way I use it depends on the wave state on the first three canon minions or if it isn't up before the first one dies just use your Q or auto the cannon and use it on the next three. Biscuit Deliver When I first started learning Sion and before he got his mana buff in 12.23, but now I just buy tear which is much better for scaling.

When you spawn into the game immediately buy Doran's Shield and a Health Potion which will give you the best sustain in lane. After that do not level anything up until you decide if your team is invading or if you are going to lane/leashing your jungler. If you invade start Decimating Smash otherwise start Soul Furnace. In lane you will either push into the enemy if you win the match-up or let them push into you if you lose especially into champs like Jax. You will want to farm up to at least 400-700 gold and take your back to get your first items stated above. If you manage to get a gank or kill your lane opponent then you can buy more as stated above. Your goal is to farm up and take plates when the enemy backs.

Your goal mid-game is to either splitpush and take towers, to help your team in fights, or to keep the enemy from splitpushing. You will want to farm constantly and try and keep stacking your Heartsteal. All dragons are really important for Sion, but the best ones for soul are Mountain, Infernal, and Hextech.

Late game you will continue split pushing if your team can 4v5 you can split on the opposite side of the map from your team so you can draw attention from the objectives. If your team can't team fight well or need you to tank you can go and fight and when you win the team fight go and push while your team takes objectives again make sure to go to the other side of the map from your team.