Patch 13.16 overview
Champions you recently played
No change
Other Champions
Q energy cost decreased, base damage increased.
Passive mana restoration increased. Q AP scaling increased. E AP scaling increased.
Passive attacks per Headshot reduced.
Q initial base damage increased, slow increased early. W base shield value increased.
Q AP scaling increased, ultimate Q AP scaling increased. R cooldown decreased.
Passive on-hit damage increased.
Health growth increased. Q AP scaling increased. E AP scaling increased.
E damage tick rate increased, minion execute threshold decreased.
Q damage increased. E base shield strength increased.
Base armor, attack damage, and attack speed decreased.
E AD scaling added.
Q damage adjusted
Base mana regeneration decreased. W mana cost increased.
W AoE and on-hit damage decreased.
Base mana increased.
Legend has it that no champion has ever taken down this foe. It fears nothing. Except bugs. Bugs scare it.
Base armor and armor growth increased, base health and magic resistance decreased.
Mana regeneration growth increased. Q mana cost decreased. W mana cost decreased.
Items you recently played
No change
Other items

Axiom Arc
Our reworked Axiom Arc changes weren’t quite enough to put this new item on the radar for users, so we’re going a bit riskier with the ultimate cooldown refund in hopes it’ll help the item find its place on the Rift. We’ll be keeping a close eye on this change to ensure it’s shaping up as we hope, but we’ll make more changes if necessary.

Duskblade of Draktharr
Duskblade frequently finds itself in the hands of fighter champions which is something we’re looking to curb this patch, however, it's also overperforming on assassins in general. The low cooldown on its active is a big reason fighters like this item, so we’re opting to increase the cooldown substantially to discourage them from picking it up, while reducing the missing health damage to bring the item’s overall strength down (which we’ll be offsetting for assassins by buffing the lethality legendaries this patch).

Prowler's Claw
Prowler’s Claw’s current cooldown is a bit too long for a lot of users that would like to pick up this item, so we’re lowering the cooldown to help make it a bit more accessible for these champions while slightly increasing the damage it can provide to make it a more worthwhile purchase.

Serpent's Fang
As far as its assassin users are concerned, Serpent’s Fang is sitting at a reasonable power level but remains a niche purchase, so we’d like to give it some more generic power to help it break out of the "only purchase versus shielders" position it’s found itself in. A small lethality buff should help this item be a bit more desirable for any assassins looking to shred shields.

Umbral Glaive
Umbral Glaive isn’t as strong as it needs to be, often letting down the champions that this item naturally synergizes with (hello Pyke). We’re giving it a small lethality buff to make it slightly more dangerous in the hands of its users.