Slayer’s Rise is a four-boss delve that punishes reactive healing. Holy Priests who rely on Prayer of Mending as a crutch will find their mana pools depleted by boss three. The key to surviving this content lies in triage assignment—prioritizing targets based on damage intake thresholds, not health percentages. This guide breaks down the exact HPS requirements, cooldown rotation, and target prioritization that separates a clean clear from a thirty-minute wipe fest.
Understanding Damage Intake Thresholds
Every ability in Slayer’s Rise has a quantifiable damage value that scales with the delve key level. At key level five, the average boss ability deals between eighteen thousand and twenty-four thousand damage to the primary target. Your Circle of Healing casts for approximately forty-two thousand healing split across six targets when properly specced into the Abundant Healing talent. That means each target receives roughly seven thousand healing per cast. A single Circle of Healing will not save a tank who just took a thirty-thousand hit—you need overlapping cooldowns or a pre-cast Holy Word: Salvation to bridge the gap.
Target Prioritization Framework
Not all damage events are equal. A bleed tick on the companion deal is less urgent than a stacking debuff on the tank. Use this decision tree for every global cooldown: if the tank is below thirty-five percent health and a boss ability is within one second of landing, cast Holy Word: Sanctuary immediately. If two DPS are below fifty percent and no tank buster is incoming, cast Circle of Healing. If your companion is taking environmental damage below sixty percent, a single Flash Heal is sufficient—do not waste a Holy Word on non-critical companion damage.
- Tank below thirty-five percent with incoming boss ability: Holy Word: Sanctuary
- Two or more party members below fifty percent: Circle of Healing
- Companion below sixty percent from environmental damage: Flash Heal
- Full group top-off between mechanics: Prayer of Mending chain
- Anticipated raid-wide damage in three to five seconds: Holy Word: Salvation pre-cast
Mana Conservation Across All Four Bosses
Your total mana pool at item level six hundred and thirty-six, with standard Midnight raid gear, sits at approximately one hundred and eighty-five thousand mana. Each Holy Word costs twenty-two thousand mana. Each Circle of Healing costs fifteen thousand. A full boss encounter lasting ninety seconds will drain your pool in exactly eight Holy Word casts if you use no other spells. The practical solution is to weave in Renew casts during low-damage windows—each Renew costs eight thousand mana but generates roughly thirty-six thousand healing over twelve seconds, giving you a four-point-five-to-one efficiency ratio that Flash Heal cannot match at two-point-eight-to-one.
Cooldown Timeline by Boss Encounter
| Boss | Duration | Peak Damage Window | Assigned Cooldown | Mana Budget |
|---|---|---|---|---|
| 1 – Vorak the Breaker | 75s | 0:30-0:45 | Desperate Prayer | 45k mana |
| 2 – Sselindra | 90s | 0:20-0:35, 1:00-1:15 | Symbol of Hope | 52k mana |
| 3 – The Jailer | 120s | 0:40-0:55, 1:30-1:45 | Divine Hymn | 65k mana |
| 4 – Overseer Krixx | 110s | 0:25-0:40, 1:10-1:25 | Apotheosis | 58k mana |
Gear and Stat Priorities for Triage Healing
Critical Strike is your highest-value stat for triage work in Slayer’s Rise, not Haste. The reason is mechanical: Holy Word: Sanctuary has a base critical strike chance of twenty-five percent when talented into Searing Light. A critical Holy Word heals for two hundred percent of its normal value, which turns a forty-eight thousand heal into a ninety-six thousand heal—enough to solo-save a tank from a twenty-eight thousand boss ability when combined with a pre-existing Renew. Target eighteen percent Critical Strike rating, which requires approximately twelve hundred forty Critical Strike at level ninety. Beyond that threshold, invest in Mastery for the increased healing on low-health targets via Holy Concentration.