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Environmental hazards

From the MapleStory Classic Wiki, mirrored inside MPStorys

Environmental hazards are the effects a map applies to a character simply for standing on it, independent of any monster. In MapleStory Classic World there are three: maps that drain HP over time, maps whose footing is slippery, and maps that expel you after a fixed time. A fourth map property works the other way and speeds up resting.

Every one of these is a property of the map itself, recorded in the game files map by map, and none of them is announced to the player. Almost all of them are in Ossyria.

Note: Ossyria, covering Orbis and El Nath, was playable in the second Closed Online Test but is not in the game at Grand Launch on October 21, 2026. See Differences from MapleStory.

The cold

21 maps drain 10 HP from a character standing on them, repeatedly, for as long as they stay. Every one of them is in the El Nath mountains, and the drain is the reason a trip through them costs potions even when nothing attacks you.

The two El Nath town maps are not among them. El Nath itself and El Nath Market are safe to stand in, so the drain begins the moment you leave town and stops the moment you return.

Map HP drained
Cold Field I 10
Cold Field II 10
Icy Cold Field 10
Snowy Hill 10
Dangerous Cliff 10
Sharp Cliff I 10
Sharp Cliff II 10
Ice Valley I 10
Ice Valley II 10
Watch Out for Icy Path I 10
Watch Out for Icy Path II 10
Forest of Dead Trees I 10
Forest of Dead Trees II 10
Forest of Dead Trees III 10
Forest of Dead Trees IV 10
Wolf Territory I 10
Wolf Territory II 10
Wolf Territory III 10
Wolf Territory IV 10
Wolf Territory V 10
The Crown-Flyer 10

Slippery footing

24 maps reduce the friction a character has against the ground, so movement carries further than the key you pressed and stopping takes a moment. The affected set is the same El Nath range as the HP drain, plus three maps that are icy but not cold: El Nath, El Nath Market and Holy Ground at the Snowfield.

That is why the El Nath town itself feels different to walk around than any other town in the game while doing nothing to your HP.

The game files record the friction as a plain multiplier, and every affected map uses the same value. Maps with ordinary footing carry no such property at all, so the setting is a deliberate exception rather than a scale that maps sit somewhere along.

Time limits

Three maps eject a character after a fixed period rather than letting them stay indefinitely. All three are the Kerning City subway platforms, and all three use the same limit of 5,940 seconds, which is 99 minutes.

Map Time limit
B1 (Subway Depot) 99 minutes
B2 (Subway Depot) 99 minutes
B3 (Subway Depot) 99 minutes

Faster resting

Two maps work in the character's favour, multiplying the rate at which HP and MP return while sitting.

Map Recovery rate
Regular Sauna 2× normal
VIP Sauna 3× normal

The VIP Sauna recovers half again as fast as the regular one, and these two maps are the only places in the game where resting is accelerated at all.

Fall damage

Fall damage scales with the distance fallen. Its cap and distance thresholds have not been confirmed.

See also

Source:MapleStory Classic Wiki