已对照游戏内数据、官方开发直播与补丁说明核验，
已针对 Preludes 15 人工核实。
独特 · Rare
弓系 Utility 槽符文，满蓄射击 +150% Arcanic。Midrath Ode 箱与 Strongbox 主刷，Gruul Seeker Ruthos 亦在掉落表。
Midrath — world containers on respawn cycle · Map Ode Chest and Strongbox spawn points; respawn timer per container
Sinecure encampment, Midrath · Reach Ruthos's encampment; optional Cogah bell for enhanced drops
以下路线来自社区整理与攻略汇总，掉落率请在游戏内核对。
弓系 Utility 槽符文，满蓄射击 +150% Arcanic。Midrath Ode 箱与 Strongbox 主刷，Gruul Seeker Ruthos 亦在掉落表。
以下刷取建议来自社区整理，尚未在游戏内逐条核实。
Best farm for Alca's Breath: open Ode Chests and Ode Strongboxes scattered across Midrath — these world containers respawn on a cycle and provide the most consistent rune drop rate. Gruul Seeker Ruthos is the only confirmed foe drop in community catalogs; engage him at his Sinecure encampment as a secondary route. Fort Curlail Siege and Turret Jotar Siege also list this rune in their reward tables, making siege rotations a viable third option. Pair chest loops with Ruthos kills for maximum efficiency.
Container: Ode Chest — primary world-container source across Midrath
Container: Ode Strongbox — higher-tier container, better rune odds
Foe: Gruul Seeker Ruthos — sole community catalog-confirmed foe drop
Siege: Fort Curlail Siege — siege reward table
Siege: Turret Jotar Siege — siege reward table
弓: 洪流符文
飞刃: 旋风符文（Hurlwind） · 噬血符文（Picktrix）
重武: 永焰符文·重型（Everflame (Heavy)） · 倒木符文（Treefell）
剑盾: 焚火符文（Forburn） · 锐映符文
短刃: 余烬符文（Emberaught） · 掠影烟