Slick Surface Finesse +2

{
  "name": "Slick Surface Finesse +2",
  "tags": [],
  "buCost": 4,
  "iconKey": "lorc/wave-crest",
  "iconUrl": null,
  "category": "PRACTICE_PROGRESSION_AUGMENT",
  "costTier": "Author price 4 BU",
  "isPublic": true,
  "iconColor": "#d8ad54",
  "iconSource": "GAME_ICONS",
  "isMirrorable": true,
  "mirrorVector": "VARIABLE_VECTOR",
  "hardModifiers": [
    {
      "kind": "modify",
      "value": {
        "kind": "number",
        "value": 2
      },
      "target": "skill_practice_check",
      "metadata": {
        "recipient": "SELF",
        "targetScope": {
          "layer": "PRACTICE",
          "values": [
            "FINESSE"
          ]
        }
      },
      "stacking": "stack",
      "condition": {
        "kind": "tags",
        "customTags": [
          "actor:manual:attempting_balance_on_the_named_salt_wet_surface_while_its_coating_remains_mirrored_use_imposes_the_contextual_penalty"
        ]
      },
      "operation": "add"
    }
  ],
  "narrativeRule": "While attempting balance on the named salt-wet surface while its coating remains; mirrored use imposes the contextual penalty, add 2 to the value named by this primitive. The authored condition is switched on when the situation holds and off when it ends; it is not inferred from a universal condition name. Mirroring reverses add/subtract.",
  "mechanicalRule": {
    "value": {
      "kind": "number",
      "value": 2
    },
    "family": "UNIVERSAL_MODIFIER",
    "target": "Finesse checks",
    "operation": "add",
    "recipient": "SELF",
    "conditionText": "Attempting balance on the named salt-wet surface while its coating remains; mirrored use imposes the contextual penalty"
  },
  "mirrorBuCredit": 4,
  "mechanicalOutputText": "While attempting balance on the named salt-wet surface while its coating remains; mirrored use imposes the contextual penalty, add 2 to the value named by this primitive. The authored condition is switched on when the situation holds and off when it ends; it is not inferred from a universal condition name. Mirroring reverses add/subtract.",
  "mirrorEligibilityNotes": "Mirroring reverses add/subtract. Context stays authored on this primitive."
}