Spear of Shojin 3161since 8.12.1 13 changes removed in 10.23.1
3300g (100g base, 2310g sell)
Dragonforce: Your Non-Ultimate spells gain (8 (+0.08 per 100 Bonus AD) | 6 (+0.06 per 100 Bonus AD)) Ability Haste, reduced to (4 (+0.04 per 100 Bonus AD) | 3 (+0.03 per 100 Bonus AD))) Ability Haste for Immobilizing spells.
Exigency: Gain up to (0.15 | 0.1) increased move speed, based on your missing health (Maxed when below 33% Health).Item performance differs for melee and ranged users.
Builds from: 
Caulfield's Warhammer
B. F. Sword
Kindlegem
HealthDamageNonbootsMovementAbilityHaste
Click any two patches to compare; the current range is shaded.
− Spell hits grant stacks. Your spells deal increased damage for each stack.
+ Landing Abilities increase your Ability damage by 3% for 6 seconds. (stacks 4 times).
− Your Non-Ultimate spells gain Ability Haste.
+ Gain 25 Basic Ability Haste.
− Landing Abilities increase your Ability damage by 3% for 6 seconds. (stacks 4 times).
+ Dealing damage with Abilities increase your Champion Ability and Passive damage by 3% for 6 seconds. (stacks 4 times).
− Dealing damage with Abilities increase your Champion Ability and Passive damage by 3% for 6 seconds. (stacks 4 times).
+ Dealing damage with Abilities increases your Champion's Ability and Passive damage by 3% for 6 seconds. (stacks 4 times).