Blitzcrank creates value by forcing enemy mistakes. His build must maximize hook opportunities while allowing him to survive the critical moment of entering the enemy team to convert the hook into a kill.
Relic Shield
Free wards, tank support classique
Ground snare, combos with Q Rocket Grab pull
Buff ADC after engage combo Q-E-R in teamfights
Plated Steelcaps
After a Rocket Grab, Glacial Augment slows still the target for a kill guaranteed.
Each hook active gives him a shield massive to absorb the burst in return.
Reduces enemy punishment when he misses Q and remains exposed.
More HP to absorb damage as a tank engage.
Charged flash to hook from the angles impossible to avoid.