Lesser Glyph of Mending is a glyph added on with the Hearts of Stone expansion.

It adds +1 vitality regeneration and is needed to craft Glyph of Mending or to make the Heft glyphword.

It can only be crafted or purchased from the runewright.

Glyphs, Runestones, and Enchantments in The Witcher 3: Wild Hunt
Glyphs	Base game Lesser Glyph of Aard Glyph of Aard Greater Glyph of Aard Lesser Glyph of Axii Glyph of Axii Greater Glyph of Axii Lesser Glyph of Igni Glyph of Igni Greater Glyph of Igni Lesser Glyph of Quen Glyph of Quen Greater Glyph of Quen Lesser Glyph of Yrden Glyph of Yrden Greater Glyph of Yrden Hearts of Stone Lesser Glyph of Binding Glyph of Binding Greater Glyph of Binding Lesser Glyph of Mending Glyph of Mending Greater Glyph of Mending Lesser Glyph of Reinforcement Glyph of Reinforcement Greater Glyph of Reinforcement Lesser Glyph of Warding Glyph of Warding Greater Glyph of Warding
Runestones	Base game Lesser Chernobog runestone Chernobog runestone Greater Chernobog runestone Lesser Dazhbog runestone Dazhbog runestone Greater Dazhbog runestone Lesser Devana runestone Devana runestone Greater Devana runestone Lesser Morana runestone Morana runestone Greater Morana runestone Lesser Perun runestone Perun runestone Greater Perun runestone Lesser Stribog runestone Stribog runestone Greater Stribog runestone Lesser Svarog runestone Svarog runestone Greater Svarog runestone Lesser Triglav runestone Triglav runestone Greater Triglav runestone Lesser Veles runestone Veles runestone Greater Veles runestone Lesser Zoria runestone Zoria runestone Greater Zoria runestone Hearts of Stone Pyerog runestone Tvarog runestone
Enchantments (only with HOS)	Runewords Preservation Dumplings Placation Rejuvenation Elation Severance Replenishment Invigoration Prolongation Glyphwords Deflection Heft Depletion Usurpation Ignition Rotation Entanglement Beguilement Protection Balance Retribution Levity Possession Eruption