Lifespan

A lifespan for every player. You age while you play. Youth, Prime, Experienced, Ancestor — then the end… unless you beat death himself and become immortal.

Features

Personal lifespan (default 120 Minecraft days, configurable)
Aging only while online
HUD with remaining days, colored by how far you’ve lived
Optional HUD suffix: Lifespan: 40 days · Prime (and (Immortal) in cyan)
Toggle the HUD with a keybind (Minecraft controls)
Phase kits: buffs and debuffs that change as you age (inventory icons, no particles)
Admin commands (OP only)
One death message: has died of old age (dark gray, italic) — does not break armor
Optional compatibility: Compound V and Better Days (no hard dependencies)

Phases (default % of life lived)

Phase	Range	Role
Youth (green)	0–25%	Early life
Prime (yellow)	25–50%	Physical peak
Experienced (orange)	50–75%	Know-how
Ancestor (red)	75–95%	Elder
Dying (black)	95–100%	The end / Legend

Thresholds, effect levels, and per-phase toggles are all in the config.

Phase kits

Youth — Speed · regen out of combat · full armor = slight slowness
Prime — Strength · Jump Boost
Experienced — Haste · bonus XP · know-how (tools + armor last longer) · knockback resistance · food is less filling · rare crises
Ancestor — Hero of the Village · bonus XP · beneficial effects last longer · immunity to harmful effects · Second wind · slowness + mining fatigue · crises
Dying — Legend (reflect damage under 4 hearts + Wither on the killer) · heavier fatigue / slowness / weakness · crises in the last days

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Food penalty and longer beneficial effects carry into later phases if those toggles stay on.

V1 immortality (Compound V, optional) freezes the phase you had when you became immortal. Nullify does not strip age kits.

Commands

Permission level 2 (ops).

Command	Description
/lifespan set <player> <days>	Set remaining days and personal max (-1 = infinite)
/lifespan add <player> <days>	Add days
/lifespan remove <player> <days>	Remove days
/lifespan max <player> <days>	Change max without filling remaining days
/lifespan resetmax <player>	Reset max to config default (clamps remaining if above)
/lifespan fill <player>	Fill remaining days up to current max
/lifespan select <player> <phase>	Jump to the start of a phase (youth / prime / experienced / ancestor / dying)
/lifespan crisis <player>	Force a crisis (Experienced / Ancestor / Dying)
/lifespan phase <player>	Show phase, %, days, immortal tag

While immortal, select / set / add / remove / fill / resetmax update the saved resume point. Losing immortality returns you there (same idea as Nullify).

Compatibility: Compound V (optional)

Lifespan works fully without Compound V. If it is installed:

Action	Effect
Drink V1	Immortal (HUD ∞ + Immortal). Days and phase are saved.
Drink Anti-V	Powers stripped → aging resumes exactly where it stopped.
Chest blast	Same as Anti-V if powers are stripped.
Nullify zone	Temporary: you age again from saved days. Leave the zone → immortality returns.

No hard dependency.

Compatibility: Better Days (optional)

Lifespan works fully without Better Days. If it is installed and betterDaysCompat is on (default):

Waiting still ages you the normal way (online ticks)
If Better Days speeds up day, night, or time in bed, that extra world time is added on top
Sleep counts for as long as you stay in bed — not a flat “one day per skip”

Toggle: betterDaysCompat in the Lifespan config. No hard dependency.

Notes

Time only counts while the player is online
Sleeping advances lifespan by the world time that actually passed
Creative and spectator: timer frozen, no phase kits
modEnabled in the config can turn the whole mod off
On death and respawn, lifespan resets to the config default
Made for survival, SMP, and semi-realist RP