The recharge numbers being symbols is so they don't drown in the stat block text when you roll a 5 on the recharge.
[sblock]War Devil (Malebranche) Level 22 Brute (Leader)
Large immortal humanoid (devil) XP 4,150
Initiative +17 Senses Perception +15; darkvision
HP 255; Bloodied 127
AC 35; Fortitude 34, Reflex 32, Will 30
Resist 30 fire
Speed 8, fly 8 (clumsy)
Melee Claw (standard; at-will)
+26 vs. AC; 1d6 + 8 damage.
Melee Trident (standard; recharge 4 5 6) Weapon
Reach 2; +26 vs. AC; 4d4 + 8 damage and ongoing 5 damage (save ends), and the target slides into any square adjacent to the war devil and is knocked prone.
Ranged Besieged Foe (minor; at-will)
Ranged sight; automatic hit; the target is marked, and allies of the war devil gain a +2 bonus to attack rolls made against the target until the encounter ends or the war devil marks a new target.
Ranged Devilish Transposition (move; at-will) Teleportation
Ranged 20; the war devil and an allied devil within range swap positions.
Ranged Fiendish Tactics (minor; recharge 5 6)
Ranged 10; affects up to 2 allied devils of the war devil’s level or lower; each target can take a move action or make a basic attack.
Alignment Evil Languages Supernal
Skills Intimidate +20
Str 27 (+19) Dex 23 (+17) Wis 19 (+15)
Con 25 (+18) Int 15 (+13) Cha 18 (+15)
Equipment trident[/sblock][sblock]War Devil (Malebranche) Level 22 Brute (Leader)
Large immortal humanoid (devil) XP 4,150
Initiative +17 Senses Perception +15; darkvision
HP 255; Bloodied 127
AC 35; Fortitude 34, Reflex 32, Will 30
Resist 30 fire
Speed 8, fly 8 (clumsy)

Claw (standard; at-will)
+26 vs. AC; 1d6 + 8 damage.

Trident (standard; recharge



) Weapon
Reach 2; +26 vs. AC; 4d4 + 8 damage and ongoing 5 damage (save ends), and the target slides into any square adjacent to the war devil and is knocked prone.

Besieged Foe (minor; at-will)
Ranged sight; automatic hit; the target is marked, and allies of the war devil gain a +2 bonus to attack rolls made against the target until the encounter ends or the war devil marks a new target.

Devilish Transposition (move; at-will) Teleportation
Ranged 20; the war devil and an allied devil within range swap positions.

Fiendish Tactics (minor; recharge


)
Ranged 10; affects up to 2 allied devils of the war devil’s level or lower; each target can take a move action or make a basic attack.
Alignment Evil Languages Supernal
Skills Intimidate +20
Str 27 (+19) Dex 23 (+17) Wis 19 (+15)
Con 25 (+18) Int 15 (+13) Cha 18 (+15)
Equipment trident[/sblock]So, using just the first block, how fast do you figure out what has recharged? The second? It might be easy with this one block everyone is familiar with, but what if you had 4 or 5 of these blocks?
They're there to highlight recharging powers as well as convey what numbers those powers recharge on.