求助怎么修改技能需求等级

叶寒江

看了好多个技能，都没发现技能需要等级的代码
比如[SKILL]
<STRING>NAME:EmbermageFirestorm
<TRANSLATE>DISPLAYNAME:Firestorm
<TRANSLATE>BASE_DESCRIPTION:You call down burning cinders from the sky over a 15 meter radius, setting foes alight and increasing their susceptability to fire damage. Firestorm gains no |c00ff9933Charge|u.
<TRANSLATE>TIER1_DESCRIPTION:Enemies do 30% less fire damage when affected
<TRANSLATE>TIER2_DESCRIPTION:Targets killed emit burning splinters
<TRANSLATE>TIER3_DESCRIPTION:Burning splinter range doubled
<STRING>SKILL_ICON:skillicon_firestorm
<STRING>SKILL_ICON_INACTIVE:skillicon_firestorm_gray
<STRING>ACTIVATION_TYPE:NORMAL
<STRING>TARGET_ALIGNMENT:EVIL
<STRING>ANIMATION:Special_Infernal_Blast
<FLOAT>RANDOMRANGE:0.000000
<FLOAT>RANGE:16.000000
<STRING>MANA_COST_GRAPH:MANACOST_BIG
<FLOAT>MANA_GRAPH_SCALE:0.900000
<FLOAT>SPEED:2.000000
<FLOAT>TURNRATEOVERRIDE:-1.000000
<STRING>REQUIREMENT_GRAPH:SKILLTIER7
<BOOL>DONT_STOP_ON_DEATH:true
<BOOL>CAN_BE_SILENCED:false
<INTEGER>LEVEL_REQUIRED:0
<BOOL>IGNORES_LOS:true
<INTEGER>MAX_INVEST_LEVEL:15
<STRING>TARGETOSITION
<INTEGER64>UNIQUE_GUID:411323535
[LEVEL1]
<FLOAT>RANDOMRANGE:0.000000
<INTEGER>COOLDOWNMS:2500
[EVENT_START]
<STRING>FILE:media/skills/arbiter/firestorm/warmup.layout
<BOOL>ATTACH:false
[/EVENT_START]
[EVENT_TRIGGER]
<STRING>FILE:media/skills/arbiter/firestorm/firestorm.layout
<BOOL>LACEONTARGET:true
<BOOL>DAMAGESHAPES_HIT_ONCE:true
<BOOL>DONT_TARGET_SMASHABLES:true
[AFFIXES]
<INTEGER>AFFIXLEVEL:1
<STRING>AFFIX:ARBITER_FIRESTORM
[/AFFIXES]
[/EVENT_TRIGGER]
[/LEVEL1]

都没有发现技能等级需求啊