Runebreaking Hammer is an item in Smite.
Details
Crowd Controlled Enemies take more and deal less damage.
GLYPH - Your next successful Hard CC on an enemy god creates a 30 unit shockwave around them. Enemies hit by the shockwave deal 15% less damage and take 15% more damage for 3s. This can only occur once every 15s.
Runebreaking Hammer

Type
Tier
Price
Desc
Stats
Glyph Item
Tier 4
600
Crowd Controlled Enemies take more and deal less damage
+40
Physical Power
+150
Health
+15
HP5
+20
MP5