Lionguard (Skirmish Merchant) - Guild Wars 2 Wiki (GW2W)

Grandmaster reward 😍

Tip: Spending excess Craft Marks

GW2 - PvP Legendary Armor Guide - GuildJen

Ascended Armor League Vendor - Guild Wars 2 Wiki (GW2W)

Northrend (Alliance) Grand Master Engineering Trainer, WoW Wotlk, (Valgarde Howling Fjord)

BLING-9009 - Guild Wars 2 Wiki (GW2W)

Base Material comparison between crafting ascended armor and the new grandmaster mark system for pvp/fractal vendors : r/Guildwars2

The Enhancement System at The Witcher 3 Nexus - Mods and community

Grandmaster Armor Guide - The Witcher 3

Guild Wars 2 Data: October 2015