Last Z Vault Master Guide - Level 5 and Alliance Vault Timing

Why Vault Master Is Mandatory

Vault Master is not a luxury Support skill. It makes Season 2 resource farming easier for the whole alliance, so every player going through the Support path should take it.

The important part is timing. Do not unlock Vault Master and leave it sitting at level 1 if you can plan ahead. Save 5 Mastery Points before it becomes available, then upgrade it straight to level 5 for the maximum troop load bonus.

Level 1 is useful, but level 5 is the target. The skill is strongest when the alliance treats vaults as a shared resource plan, not as a private button.

Why Level 5 Matters

Vault Master scales by troop load. Each level adds +30% looting troop load, so the full level 5 bonus is +150%.

That load bonus matters because vault attacks are about resource value. More load means stronger returns from each vault window, especially when alliance members are using their best troops and coordinating hits.

Alliance Vault Schedule

A vault lasts 30 minutes and supports up to 100 loots. Each alliance member can loot up to 2 times per day, and each player can deploy a vault only once every 7 days.

That means the best use is a weekly alliance rotation. List every player who has Vault Master unlocked, then spread those players across all 7 days and different Apoc Time windows. If 21 players already have Vault Master, the alliance can run 3 planned vault windows per day instead of dropping them randomly.

The exact player names and hours depend on your alliance. The rule is what matters: do not let three players open vaults when the same members have already used their 2 daily loots, and do not open a vault when most of the alliance is offline.

Saturday is the easiest day to place lower-level Vault Master players because Enemy Buster Day in Alliance Duel lets players teleport to the enemy server and farm resources more easily. Save the strongest level 5 vault windows for days when the alliance needs more help finding resources.

How to Attack Vaults

Attack vaults with your strongest troops. Better troops make the hit cleaner, reduce injured unit pressure, and help you get more value from the vault window.

If possible, hit the vault together with other alliance members. Coordinated attacks are cleaner than random solo hits, especially when many players are trying to use the same 30-minute window.

Before attacking:

• Check that you still have daily vault loots available.
• Use your strongest available troops.
• Join during the scheduled alliance window.
• Avoid wasting hits when your hospital or troop state is already bad.
• Follow alliance timing if multiple vaults are planned that day.

Mistakes to Avoid

• Delaying Vault Master: do not delay it if you are already going through the Support path. It is one of the core Support skills for Season 2 resource flow.
• Stopping at level 1: do not unlock it without planning for level 5. The +150% troop load bonus is why the skill is so valuable.
• Dropping it at a dead time: a 30-minute vault is easy to waste if most alliance members are offline.
• Ignoring daily loot limits: do not deploy when many members have already used their 2 daily loots. That wastes part of the vault's alliance value.
• Using weak troops: do not attack with weak troops if stronger troops are available. Vault value is better when your hit is clean and your troop load is high.

Vault Master Checklist

• Go Support path in Mastery Hall.
• Save 5 Mastery Points before Vault Master becomes available.
• Unlock Vault Master as soon as it opens.
• Push it to level 5 for +150% looting troop load.
• Coordinate vault deployment with your alliance.
• Track who deploys on which day.
• Confirm members still have daily vault loots before opening a vault.
• Attack vaults with strongest troops.
• Use simultaneous alliance hits when possible.