This reverse 1999 beginner guide is written for players coming back after 4.0. The version number 4.0.0, the September 24 2026 update date and the title The Gatekeeper all come from the official site. The route runs Insight, psychubes, resonance, then pulls across seven days, and explains why filling out the whole roster on day one is the wrong instinct.
Applicable version: 4.0.0 "The Gatekeeper" (live 2026-09-24)
Reverse: 1999 4.0 overview: the facts the official site states
The official homepage lists the current version as 4.0.0 with an update date of 2026.09.24, titled The Gatekeeper, as part of the 2026 Box Cruise celebration .
Anchor the version first
Progression guides rot fastest from version drift, especially for accounts returning across a major version. Values and mechanics in 4.0.0 differ from 3.x, so any 3.x homework needs a discount. A returning player's first step is not farming, it is confirming the client already runs 4.0.0.
Celebration window versus normal window
The Box Cruise celebration is a limited-time framework tied to the new version, and material output plus exchange efficiency during the window usually beat the permanent ones . Coming back inside a celebration window is good timing for stockpiling.
Reverse: 1999 Insight priority: carry one unit to the cap
Insight is the spine of character growth, with Insight I, II and III each unlocking a different tier of abilities . The classic returning-player mistake is dragging five characters to Insight II together.
Single-target investment wins
Story and material stages scale in steps. One Insight III carry walks you past most walls, while five Insight I characters stall together. When resources are fixed, concentration beats averaging.
Where Insight materials come from
Insight materials come mainly from material stages and event exchanges, while character-specific materials depend on the stage rotation . Read which tier you are missing before deciding what to farm, instead of clearing every stage once.
Add a sub-DPS after the carry lands
Only after the carry is settled does a sub-DPS pay off; otherwise neither side finishes. A sub-DPS exists to clear alongside a carry that already can, so buying it early is spending ahead of income.
Reverse: 1999 psychubes and resonance: the second tier
Psychubes set a character's stat direction and specialised effect, and resonance sets the baseline panel . Both come after Insight.
Psychubes by role
Damage dealers want ATK and crit psychubes, supports want utility ones. Never hand a damage psychube to a support, and never sacrifice a main stat to complete a set bonus. Psychubes drop randomly, so do not expect the right one on the first try.
Resonance as needed
Resonance raises the floor of your panel, and that floor decides whether you clear stages reliably rather than whether you clear them fast. Returning players should push the carry's resonance to a clearing threshold before thinking about anyone else. Resonance materials are weekly limited, so do not spread them across five characters.
Reverse: 1999 pull budget: staying inside 40
4.0 is a new major version, so the banner will run for a while. A returning account should hold its pull budget to 40 or fewer and leave the rest for later versions .
Read the pity rule before pulling
Six-star pity is commonly counted at 70 pulls , which makes 40 pulls a probe rather than a guarantee. Pulling with a guarantee mindset empties the account before pity lands, and a returning account has no buffer to rebuild from.
Extra celebration income
Celebration windows usually come with login and event pull income . Claim the free resources before deciding whether to top up; the reverse order just wastes them. New versions also tend to run limited exchange shop listings at better rates than permanent ones, so count what the shop offers, not only the banner.
Reverse: 1999 seven-day route: what each day is for
The core idea is two days of scaffolding and five days of detail. Activity is limited daily, so it has to follow priority.
Days one and two: story first
Story progress unlocks features you will use all version long and material stages. A returning player should push the story to current progress on day one rather than re-farming old materials, because unlocked features are worth more than old stock. First-clear rewards are one-time income, so take them early.
Day seven: audit your inventory
Do not keep farming on day seven. Read your inventory first: whether materials cover the next character, whether psychubes are duplicated, and whether resonance materials have run dry. This step shapes day eight more than two extra stage clears.
Days three to six: material stages and event exchange
Once the story is caught up, activity goes to material stages and celebration exchange. Sort material stages by the carry's Insight needs and exchange in the order limited first, general second.
Reverse: 1999 FAQ
When did 4.0 launch?
A: The official site lists 4.0.0 with an update date of September 24 2026, titled The Gatekeeper .
Who should a returning player build first?
A: One main DPS to Insight III before any sub-DPS; spreading across five characters stalls all five.
How much should I hold for pulls?
A: Keep probes inside 40 pulls, with six-star pity commonly counted at 70 .
What is different during the celebration?
A: Material output and exchange efficiency run above permanent rates, plus login pull income .
Reverse: 1999 seven-day action list
- Confirm the client runs 4.0.0, then start pushing story.
- Days one and two: story only, banking first-clear rewards.
- Days three and four: carry to Insight III, no resources to a sub-DPS.
- Days five and six: psychubes and resonance by role, not by set bonus.
- Day seven: audit inventory, clear celebration exchange, keep pulls inside 40.
Later 4.0 events and banners follow official notices, and gghubs.com updates this route when the version changes.