diff --git a/data/des/des-main.des b/data/des/des-main.des
index 3b8b36b..3786458 100644
--- a/data/des/des-main.des
+++ b/data/des/des-main.des
@@ -389,8 +389,11 @@ this, you share electricity damage with nearby monsters.
 Wooden boards. Creaky and flammable, but makes you resistant to electricity.
 
 % t_water
-Someone spilled a lot of water here. It's difficult to sneak through, and will
-make you very vulnerable to electricity. You are very resistant to fire though.
+Deep water. It would be wise to avoid.
+
+% t_water_shallow
+It's difficult to sneak through, and will make you very vulnerable to
+electricity. You are very resistant to fire though.
 
 % t_f_lumi
 Some kind of bluish fungi, glowing serenely in the dim light of the Dungeon.
diff --git a/data/des/des-statuses-nonplayer.des b/data/des/des-statuses-nonplayer.des
index 6847cf0..a85e01f 100644
--- a/data/des/des-statuses-nonplayer.des
+++ b/data/des/des-statuses-nonplayer.des
@@ -25,6 +25,9 @@ This is supposed to be a player-only status, and is probably a bug.
 % nonplayer_Status.RingObscuration
 This is supposed to be a player-only status, and is probably a bug.
 
+% nonplayer_Status.RingDeceleration
+This is supposed to be a player-only status, and is probably a bug.
+
 % nonplayer_Status.DetectHeat
 This is supposed to be a player-only status, and is probably a bug.
 
@@ -162,6 +165,9 @@ It doesn't seem to be awake...
 % nonplayer_Status.Slow
 It is moving 2x more slowly.
 
+% nonplayer_Status.Water
+It is in water.
+
 % nonplayer_Status.DayBlindness
 (Bug) Seems the sun burnt it when it went outside.
 
diff --git a/data/des/des-statuses-player.des b/data/des/des-statuses-player.des
index b5e01eb..7e1b51c 100644
--- a/data/des/des-statuses-player.des
+++ b/data/des/des-statuses-player.des
@@ -25,6 +25,9 @@ Refer to the ring's description.
 % player_Status.RingObscuration
 Refer to the ring's description.
 
+% player_Status.RingDeceleration
+Refer to the ring's description.
+
 % player_Status.DetectHeat
 You are detecting sources of heat, as well as enemies attuned to fire.
 
@@ -164,6 +167,9 @@ sounds.
 % player_Status.Slow
 You are moving 2x more slowly.
 
+% player_Status.Water
+You are in deep water, and are suitably affected.
+
 % player_Status.DayBlindness
 [BUG] So the sun burnt you when you went outside huh?
 
diff --git a/data/status_help.tsv b/data/status_help.tsv
index 0b3c019..b08b134 100644
--- a/data/status_help.tsv
+++ b/data/status_help.tsv
@@ -52,5 +52,6 @@
 .RingingEars       	"ringing ears"        	 "[bug] singing"       	 "ringing"
 .Sleeping          	"sleeping"            	 "dormant"             	 "sleep"
 .Slow              	"slowed"              	 -                     	 "slow"
+.Water             	"water"               	 -                     	 "water"
 .DayBlindness      	"day-blinded"         	 -                     	 -
 .NightBlindness    	"night-blinded"       	 -                     	 -
diff --git a/src/astar.zig b/src/astar.zig
index 39676ec..91d8d6e 100644
--- a/src/astar.zig
+++ b/src/astar.zig
@@ -76,6 +76,10 @@ pub fn basePenaltyFunc(coord: Coord, opts: state.IsWalkableOptions) usize {
         else => {},
     };
 
+    if (state.dungeon.terrainAt(coord).is_path_penalized) {
+        c += 50;
+    }
+
     if (opts.mob) |mob| {
         if (mob.ai.flag(.FearsDarkness)) {
             if (!state.dungeon.lightAt(coord).*)
@@ -94,7 +98,7 @@ pub fn basePenaltyFunc(coord: Coord, opts: state.IsWalkableOptions) usize {
         }
 
         if (!fire.fireIsSafeFor(mob, state.dungeon.fireAt(coord).*))
-            c += 49;
+            c += 50;
     }
 
     return c;
diff --git a/src/combat.zig b/src/combat.zig
index 3d13bcc..9deef87 100644
--- a/src/combat.zig
+++ b/src/combat.zig
@@ -26,6 +26,7 @@ pub const CHANCE_FOR_DIP_EFFECT = 33;
 const ATTACKER_ENRAGED_BONUS: isize = 20;
 const ATTACKER_INVIGORATED_BONUS: isize = 10;
 const ATTACKER_CORRUPT_BONUS: isize = 10;
+const ATTACKER_WATER_NBONUS: isize = 10;
 const ATTACKER_FEAR_NBONUS: isize = 10;
 const ATTACKER_HELD_NBONUS: isize = 20;
 const ATTACKER_STUN_NBONUS: isize = 15;
@@ -35,6 +36,7 @@ const DEFENDER_UNLIT_BONUS: isize = 5;
 const DEFENDER_ESHIELD_BONUS: isize = 7; // (per wall, so +7..49)
 const DEFENDER_INVIGORATED_BONUS: isize = 10;
 const DEFENDER_OPEN_SPACE_BONUS: isize = 10;
+const DEFENDER_WATER_NBONUS: isize = 10;
 const DEFENDER_ENRAGED_NBONUS: isize = 10;
 const DEFENDER_RECUPERATE_NBONUS: isize = 10;
 const DEFENDER_HELD_NBONUS: isize = 10;
@@ -96,6 +98,7 @@ pub fn chanceOfMissileLanding(attacker: *const Mob) usize {
     var chance: isize = attacker.stat(.Missile);
 
     chance -= if (attacker.isUnderStatus(.Debil)) |_| ATTACKER_STUN_NBONUS else 0;
+    chance -= if (attacker.isUnderStatus(.Water)) |_| ATTACKER_WATER_NBONUS else 0;
 
     return @intCast(usize, math.clamp(chance, 0, 100));
 }
@@ -121,6 +124,7 @@ pub fn chanceOfMeleeLanding(attacker: *const Mob, defender: ?*const Mob) usize {
     chance -= if (attacker.hasStatus(.Fear)) ATTACKER_FEAR_NBONUS else 0;
     chance -= if (attacker.hasStatus(.Held)) ATTACKER_HELD_NBONUS else 0;
     chance -= if (attacker.hasStatus(.Debil)) ATTACKER_STUN_NBONUS else 0;
+    chance -= if (attacker.hasStatus(.Water)) ATTACKER_WATER_NBONUS else 0;
     chance -= if (attacker.hasStatus(.RingConcentration)) ATTACKER_CONCENTRATE_NBONUS else 0;
 
     return @intCast(usize, math.clamp(chance, 0, 100));
@@ -139,6 +143,7 @@ pub fn chanceOfAttackEvaded(defender: *const Mob, attacker: ?*const Mob) usize {
 
     chance -= if (defender.hasStatus(.Held)) DEFENDER_HELD_NBONUS else 0;
     chance -= if (defender.hasStatus(.Debil)) DEFENDER_STUN_NBONUS else 0;
+    chance -= if (defender.hasStatus(.Water)) DEFENDER_WATER_NBONUS else 0;
     chance -= if (defender.hasStatus(.Recuperate)) DEFENDER_RECUPERATE_NBONUS else 0;
     chance -= if (defender.hasStatus(.Enraged)) DEFENDER_ENRAGED_NBONUS else 0;
     chance -= if (defender.hasStatus(.RingConcentration)) DEFENDER_CONCENTRATE_NBONUS else 0;
diff --git a/src/mapgen.zig b/src/mapgen.zig
index 9376e9d..d800c1b 100644
--- a/src/mapgen.zig
+++ b/src/mapgen.zig
@@ -751,7 +751,9 @@ pub fn isRoomInvalid(
             while (x < room.rect.end().x) : (x += 1) {
                 const coord = Coord.new2(room.rect.start.z, x, y);
                 if (state.dungeon.at(coord).type == .Lava or
-                    state.dungeon.at(coord).type == .Water)
+                    state.dungeon.at(coord).type == .Water or
+                    state.dungeon.terrainAt(coord) == &surfaces.ShallowWaterTerrain or
+                    state.dungeon.terrainAt(coord) == &surfaces.WaterTerrain)
                 {
                     return true;
                 }
@@ -813,6 +815,7 @@ pub fn excavatePrefab(
             const tt: ?TileType = switch (fab.content[y][x]) {
                 .Any, .Connection => null,
                 .Window, .Wall => .Wall,
+                .Water,
                 .LevelFeature,
                 .Feature,
                 .LockedDoor,
@@ -827,7 +830,7 @@ pub fn excavatePrefab(
                 .Corpse,
                 .Ring,
                 => .Floor,
-                .Water => .Water,
+                //.Water => .Water,
                 .Lava => .Lava,
             };
             if (tt) |_tt| state.dungeon.at(rc).type = _tt;
@@ -918,6 +921,7 @@ pub fn excavatePrefab(
                 .Door => placeDoor(rc, false),
                 .Brazier => _place_machine(rc, Configs[room.rect.start.z].light),
                 .ShallowWater => state.dungeon.at(rc).terrain = &surfaces.ShallowWaterTerrain,
+                .Water => state.dungeon.at(rc).terrain = &surfaces.WaterTerrain,
                 .Bars => {
                     const p_ind = utils.findById(surfaces.props.items, Configs[room.rect.start.z].bars);
                     _ = placeProp(rc, &surfaces.props.items[p_ind.?]);
diff --git a/src/surfaces.zig b/src/surfaces.zig
index fe0e6c9..49443ec 100644
--- a/src/surfaces.zig
+++ b/src/surfaces.zig
@@ -97,6 +97,7 @@ pub const Terrain = struct {
     effects: []const StatusDataInfo = &[_]StatusDataInfo{},
     flammability: usize = 0,
     fire_retardant: bool = false,
+    is_path_penalized: bool = false,
     repairable: bool = true,
     luminescence: usize = 0,
     opacity: usize = 0,
@@ -196,11 +197,11 @@ pub const WoodTerrain = Terrain{
 };
 
 pub const ShallowWaterTerrain = Terrain{
-    .id = "t_water",
+    .id = "t_water_shallow",
     .name = "shallow water",
     .color = 0x3c73b1, // medium blue
     .tile = '≈',
-    .resists = .{ .rFire = 50, .rElec = -50 },
+    .resists = .{ .rFire = 25, .rElec = -25 },
     .effects = &[_]StatusDataInfo{
         .{ .status = .Conductive, .duration = .{ .Ctx = null } },
     },
@@ -211,6 +212,25 @@ pub const ShallowWaterTerrain = Terrain{
     .weight = 3,
 };
 
+pub const WaterTerrain = Terrain{
+    .id = "t_water",
+    .name = "deep water",
+    .color = 0x104381, // medium blue
+    .tile = '≈',
+    .resists = .{ .rFire = 50, .rElec = -50 },
+    .effects = &[_]StatusDataInfo{
+        .{ .status = .Conductive, .duration = .{ .Ctx = null } },
+        .{ .status = .Noisy, .duration = .{ .Ctx = null } },
+        .{ .status = .Water, .duration = .{ .Ctx = null } },
+    },
+    .fire_retardant = true,
+    .is_path_penalized = true,
+
+    .for_levels = &[_][]const u8{},
+    .placement = .RoomBlob,
+    .weight = 0,
+};
+
 pub const DeadFungiTerrain = Terrain{
     .id = "t_f_dead",
     .name = "dead fungi",
@@ -261,6 +281,8 @@ pub const TERRAIN = [_]*const Terrain{
     &MetalTerrain,
     &CopperTerrain,
     &WoodTerrain,
+    &ShallowWaterTerrain,
+    &WaterTerrain,
     &DeadFungiTerrain,
     &TallFungiTerrain,
     &PillarTerrain,
diff --git a/src/types.zig b/src/types.zig
index 0fd389a..9dbe408 100644
--- a/src/types.zig
+++ b/src/types.zig
@@ -1394,6 +1394,11 @@ pub const Status = enum {
     // Doesn't have a power field.
     Lifespan,
 
+    // Just combat debufs for now.
+    //
+    // Doesn't have a power field.
+    Water,
+
     // }}}
 
     pub const TOTAL = @typeInfo(@This()).Enum.fields.len;