Potions

Potions

All potions use the vanilla bottle (colored by their effect), so the splash and lingering versions and tipped arrows exist automatically and are made like their vanilla counterparts: gunpowder for splash, dragon's breath for lingering, and a lingering potion with eight arrows in the crafting grid for tipped arrows.

Potions and effects

Potion	Effect	Duration	Brewing (default)
Potion of Mana	Mana Restoration I: restores 25 % of max mana at once	instant	Awkward Potion + Lapis Lazuli
Potion of Mana II	Mana Restoration II: restores 50 % of max mana at once	instant	Potion of Mana + Glowstone Dust
Potion of Magical Stability	Magical Stability: −15 % Mana Cost	3:00	Potion of Mana + Amethyst Shard
Potion of Magical Stability (long)	Magical Stability	8:00	Potion of Magical Stability + Redstone
Potion of Borrowed Power	Borrowed Power: cast into debt down to −50 % of max mana	0:30	Potion of Mana + Fermented Spider Eye

Effect	Id	Kind
Mana Restoration	runelessrpg:mana_restore	instant, beneficial
Magical Stability	runelessrpg:magical_stability	beneficial
Borrowed Power	runelessrpg:borrowed_power	neutral

Potion ids: runelessrpg:mana, runelessrpg:strong_mana, runelessrpg:magical_stability, runelessrpg:long_magical_stability, runelessrpg:borrowed_power.

Mana Restoration

• Restores (level × manaPotionPercentPerLevel) % of max mana, default 25 % per level.
• Pays debt back first and never fills above max mana.
• Splash potions restore less at the edge of the splash, exactly like Instant Health; lingering clouds and tipped arrows work like their vanilla counterparts.
• Only players have mana; other entities are not affected.

Magical Stability

A modifier of −magicalStabilityManaCost (default 0.15 = −15 %) per level on runelessrpg:mana_cost. The floor of Mana Cost (minManaCostPercent) still applies.

Borrowed Power

The emergency potion for hard fights in the FULL_COST mana mode:

• While it is active, spells may take the mana down to −(borrowedPowerDebtPercent % of max mana), default −50 %, in every mana mode. If the mana mode itself allows more debt, the more generous rule applies.

• Backlash: when the effect ends with mana below 0, the player takes damage:

  damage = debt in % of max mana ÷ 10 × backlashDamagePer10Percent   (at most backlashMaxDamage)
  

  With the defaults: 2 damage per 10 % debt, at most 10 damage (5 hearts). Example: max mana 40, mana −12 → 30 % debt → 6 damage.

• The backlash happens when the effect runs out and when it is removed (milk, /effect clear, a totem). Drinking the potion again before it ends renews it without a backlash; dying while it is active does not cause one either.

• The damage type runelessrpg:mana_backlash ignores armor and enchantments and is in #minecraft:bypasses_armor, #minecraft:bypasses_enchantments and #minecraft:bypasses_cooldown. Death message: "… overdrew their mana".

• The debt itself stays; regeneration pays it back.

Configuration

Values are in the server config [potions], the brewing ingredients in the common config [brewing]:

File	Option	Default
runelessrpg-server.toml	manaPotionPercentPerLevel	25.0
	magicalStabilityManaCost	0.15
	magicalStabilityDurationSeconds	180
	longMagicalStabilityDurationSeconds	480
	borrowedPowerDurationSeconds	30
	borrowedPowerDebtPercent	50.0
	backlashDamagePer10Percent	2.0
	backlashMaxDamage	10.0
runelessrpg-common.toml	manaIngredient	minecraft:lapis_lazuli
	strongManaIngredient	minecraft:glowstone_dust
	magicalStabilityIngredient	minecraft:amethyst_shard
	longMagicalStabilityIngredient	minecraft:redstone
	borrowedPowerIngredient	minecraft:fermented_spider_eye

• Durations are read when a potion takes effect, so they also apply to potions that were brewed before the change.
• An empty ingredient switches that recipe off; an id that names no item switches it off with a warning in the log. Brewing recipes are built on client and server at start-up, so ingredient changes need a restart of both, and the common config should be the same on server and clients.