
John Titor
John Titor is a 3★ Intellect Arcanist in Reverse: 1999. Below are the exact Insight materials needed to ascend them, plus other Intellect Arcanists to build alongside.
Data updated: 2026-07-11
John Titor — Review & Analysis
John Titor is a 3★ Intellect unit built around survival and support. His ultimate, 65536 Bytes, grants the whole team an ATK-scaling Shield while dispelling enemy buffs and cleansing allied debuffs and control at the same time - a three-in-one utility package that's rare on a 3★. Paired with the self-heal and self-DMG buff from Incantation II, he's remarkably hard to kill despite modest base stats.
- The ultimate does three jobs at once: team-wide Shield, stripping enemy buffs, and clearing allied debuffs and control - dense utility from an easy-to-raise 3★.
- Excellent self-sustain: Incantation II self-heals and boosts DMG dealt, on top of a passive that heals after acting and raises healing received on entry.
- Intellect afflatus stands outside the Afflatus counter cycle — it counters nothing and is countered by nothing.
- The Shield scales off the user's ATK, but a 3★'s ATK stat is low, so the shield's actual value is small - his worth lies in the utility, not the numbers.
- He's countered by Spirit (taking +30% DMG) and only hits a single target for weak damage, so at endgame he's easily replaced by higher-rarity support and survival units.
Level the ultimate 65536 Bytes first - it is his entire value (Shield, dispel, cleanse), and the Insight ranks push its Shield % even higher as they unlock. Next, raise Incantation II for self-sustain and the self-DMG buff, and leave Incantation I for last. Since the Shield scales with ATK, pick an ATK-boosting Psychube for a thicker shield, or a support-oriented one; crit or raw-DMG Psychubes are largely wasted on him.
Overview
Base Stats (max level)
| Base Stats (max level) | Lv.1 | Lv.30 | Insight 1 · Lv.40 | Insight 2 · Lv.50 |
|---|---|---|---|---|
| HP | 1,257 | 1,908 | 3,198 | 4,769 |
| ATK | 232 | 352 | 590 | 879 |
| Reality DEF | 99 | 150 | 252 | 376 |
| Mental DEF | 125 | 190 | 318 | 474 |
| Crit Rate | 6.2% | 6.2% | 7% | 7.8% |
| Crit DMG | 139.3% | 139.3% | 140.5% | 141.7% |
John Titor — Skills & Incantations
“Insight II: 1-target attack. Deals 500% Reality DMG.”
“Insight II: Self heal. Gains DMG Dealt +35% and enters the 【Self-healing】 status: at the start of the round, recovers (Missing HP x35%) HP, lasts 3 rounds.”
“Insight II: Mass buff. Dispels 【Stats Up】, 【Pos Status】, and 【Counter】 effects from all enemies. Dispels 【Stats Down】, 【Neg Status】, and 【Control】 effects from all allies. Grants a 【Shield】 with (ATK x160%) HP to all allies for 3 rounds.”
“Insight II: DMG Heal +10% when entering battle.”
Skill Quotes
“Who said this was just a computer?”
“Who said this was just a computer? Take this!”
“Who said this is just a computer? Well, he surely doesn't know about that because he can't afford it.”
“Fi Fi Fo FUM!”
“Fi Fi Fo FUM! I'm a genius!”
“Fi Fi Fo FUM! I'm no pushover! I'm a GENIUS!”
“Read these codes. Device which can is IDM5100, otherwise a piece of scrap with a crappy motherboard.”
Insight Materials
Insight 1
Insight 2
Resonance Materials
All 9 Resonance levels
Recommended Psychubes
Teams with John Titor
37, Oliver Fog and Cristallo all tap into Sturdy together with Shield — combining it across three kits at once outperforms any single carry doing it alone. Barbara keeps the line-up alive with Sturdy so that payoff has time to land.
Teams →X, aliEn T and The Fool all tap into Riposte — combining it across three kits at once outperforms any single carry doing it alone. John Titor keeps the line-up alive with Shield so that payoff has time to land.
Teams →Nick Bottom, Pioneer and Diggers all tap into Shield — combining it across three kits at once outperforms any single carry doing it alone. Poltergeist keeps the line-up alive with Heal so that payoff has time to land.
Teams →





