League Classic matchup
Heimerdinger vs Master Yi
The lane, from both sides
Heimerdinger’s side
- Weak against Master Yifrom the AP Control Mage build (Mid)
Master Yi ignores the turret line:
Alpha StrikeAlpha StrikeQMaster Yi becomes untargetable and strikes up to 4 nearby enemies, dealing magic damage. Can deal bonus damage to minions and monsters. jumps onto Heimerdinger over the nest, and 
HighlanderHighlanderRMaster Yi gains Movement Speed and Attack Speed and becomes immune to slows. Champion kills refresh his cooldowns; assists refund half. resets on a squishy lane mean one pick snowballs.
Master Yi’s side
No note from Master Yi’s side yet; the silence is a gap, not a verdict.
The kits at a glance
Heimerdinger
Full abilities- Techmaturgical Repair Bots
- H-28G Evolution Turret
- Hextech Micro-Rockets
- CH-1 Concussion Grenade
- UPGRADE!!!
Master Yi
Full abilities- Double Strike
- Alpha Strike
- Meditate
- Wuju Style
- Highlander
Base stats, side by side
| Stat | Heimerdinger | Master Yi |
|---|---|---|
| Health | 425 (+75) | 530 (+86) |
| HP regen | 1.01 (+0.11) | 1.48 (+0.13) |
| Mana | 305 (+65) | 235 (+36) |
| Attack damage | 52.24 (+3) | 58 (+3.1) |
| Armor | 14 (+3) | 24 (+3.7) |
| Magic resist | 30 | 31.25 (+1.25) |
| Attack speed | 0.625 (+1.21) | 0.679 (+2.98) |
| Move speed | 325 | 355 |
| Attack range | 550 | 125 |
Level-1 values with per-level growth in parentheses, read from the Classic client and re-checked against it on every update.
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SingedThe full kits, builds and every other matchup: Heimerdinger · Master Yi